M4A1

The is an assault rifle featured in many games of the Modern Warfare series, as well as in Call of Duty Online, Call of Duty: Heroes and Call of Duty: Mobile. It was cut from Call of Duty: Black Ops II and Call of Duty: Ghosts.
==Call of Duty 4: Modern Warfare & Modern Warfare Remastered==
===Campaign===
The M4A1 is introduced in "Blackout" as the SOPMOD variant, supporting a Red Dot Sight, an AN/PEQ-2A laser module, a silencer and an M203.
The regular M4A1 is always equipped with a foregrip and a unique Reflex Sight, while the Grenadier variant is fitted with its grenade launcher and a Holographic Sight. All variants are equipped with the AN/PEQ-2A.
The regular M4A1 is used by 1st Force Recon Marines in the mission "Charlie Don't Surf" and by the SAS in "Hunted" and "Game Over". The SAS uses the M4A1 SOPMOD in "Blackout", "Safehouse", "Ultimatum", "All In" and "No Fighting In The War Room". Marines use the M4A1 Grenadier in "The Bog", "War Pig" and "Shock & Awe". Captain Price always wields a suppressed M4A1 except in his flashback missions and Hunted.
The M4A1 SOPMOD with iron sights that is found in "Ultimatum" (via "give all" console command) has the correct pick-up icon for the default M4A1 SOPMOD. Like the G36C, the M4A1 is not available without a Red Dot Sight or a substitute of it in the campaign, unless the player spawns a different version via the console in "Ultimatum", "All In", or "No Fighting In The War Room".
===Multiplayer===
Known instead as the M4 Carbine, it is unlocked at level 10. It can be modified with an M203, Red Dot Sight, Silencer, or ACOG Scope after having completed the respective marksman challenges. The M4 Carbine is an excellent weapon in the right hands, with moderate damage and fairly low recoil. However, the M4 Carbine has fast, large idle sway making it more difficult to aim properly at long range. The M4 Carbine shares ammunition with the M16A4 and the G36C. The M4 Carbine is one of the most versatile weapons in online multiplayer on all platforms, due to its low unlock level and good stats.
The M4 Carbine deals 20-30 damage, killing in 4-5 shots. Stopping Power increases damage to 28-42 damage, killing in 3-4 shots. Head shots come with a 1.4x multiplier typical for most assault rifles, usually allowing the M4 Carbine to kill in one fewer bullet depending on range. While it is a lower per-shot damage assault rifle on par with the G36C, the M4 Carbine's low damage output is mitigated by its high rate of fire and very low recoil (with a recoil pattern of 40 on each side, 50 upwards, and 30 downwards), allowing for accurate automatic fire at both short and medium ranges, or even burst firing at long ranges.
The M4 Carbine is ideal in both close quarters and mid-range combat due to its high rate of fire, decent hipfire accuracy, and low recoil. Steady Aim makes the M4 Carbine even better in close quarters. While the M4 Carbine benefits less from Stopping Power than other assault rifles due to the rapid rate of fire, it still improves further upon the weapon's versatility, making it more deadly at any range. The M4 Carbine has good reload speeds and a fast rate of fire, making ammo consumption rapid. Bandolier aids the player's longevity in combat by offering a large supply of starting ammunition. The M4 Carbine is an excellent stealth weapon due to its affinity for closer range combat, so perks like Dead Silence and UAV Jammer can be useful with it.
===Weapon Attachments===
*Grenade Launcher (M203)
*Red Dot Sight
*Silencer
*ACOG Scope
*Reflex Sight (Campaign only)
*Holographic Sight (Campaign only)
===Old School Mode===
The M4 Carbine appears in Old School Mode with 30 rounds in the magazine and 60 rounds of reserve ammunition.
* Bloc - Found with an M203 on the first floor to the southern end of the western apartment building.
* Chinatown - Found with a Red Dot Sight on the northernmost road in between the discount imports stores, near the mounted M249 SAW.
* Countdown - Found with a Silencer in the south-westernmost corner of the map, in front of the inaccessible building.
* Crash/Winter Crash - Found with a Red Dot Sight outside the north-easternmost building, next to some concrete barriers.
* Creek - Found with a Red Dot Sight on the top of the hill next to the outhouse and the ditch in the center of the map, surrounded by sandbags.
* District - Found with an M203 behind the cafe at the northern tip of the western road, near the Frag Grenade.
* Downpour/Daybreak - Found with a Silencer in the middle of three houses towards the north-western corner of the map.
* Killhouse - Found with an M203 on the top of the northern structure.
* Overgrown - Found with an ACOG Scope on the western bridge.
* Pipeline - Found with a Red Dot Sight in between the towers at the western edge of the map.
* Shipment - Found at the north-east corner of the map, in front of the destroyed green car.
* Strike - Found on the ground floor of the nursery to the east of the convenience store.
* Wet Work - Found with an ACOG Scope to the northwest of the northern bridge.
===Gallery===
 
====Call of Duty 4: Modern Warfare====
M4A1 CoD4.png|The M4A1 in first-person
M4A1 Iron Sights CoD4.png|Aiming down the sights
M4A1 reload CoD4.png|Reloading the M4A1
M4A1 Cocking CoD4.png|Hitting the bolt release
====Call of Duty: Modern Warfare Remastered====
M4 Carbine MWR.png|The M4A1 in first person
M4 Carbine ADS MWR.png|Aiming down the sights
M4 Carbine Reloading MWR.png|Reloading the M4A1
M4 Carbine Bolt Release MWR.png|Pressing the bolt release
M4 Carbine Inspect 1 MWR.png|Inspecting the M4A1
M4 Carbine Inspect 2 MWR.png|Inspecting
M4 Carbine Model MWR.png|The M4A1's model
==Call of Duty 4: Modern Warfare (Mobile)==
The M4A1 appears in Call of Duty 4: Modern Warfare (Mobile) under the name of "Primary Weapon" and is used by every character in the game.
==Call of Duty: Modern Warfare 2==
The M4A1 returns in Call of Duty: Modern Warfare 2, this time with it's design having a tan finish like many other weapons in the game. Unlike its Call of Duty 4: Modern Warfare counterpart, the Call of Duty: Modern Warfare 2 version does not have the carrying handle and iron sights however, the weapon is completely unchanged from Call of Duty 4.
===Campaign===
The M4A1 is the standard assault rifle for the Rangers and Task Force 141. There are a total of seven variants of the M4A1 in the campaign, excluding Roach's unique Arctic Camouflage version.
The plain M4A1 is the first weapon used by PFC Allen in "S.S.D.D.", and can be taken from dead allies later in the game. This is also the only campaign variant without an M203.
The most common variants are the four "Grenadier" variants with different optics. The ironsight "M4A1 Grenadier" is commonly used by allies, and is one of Allen's second starting weapon in "No Russian". It is also acquired at the start of "Whiskey Hotel" along with an M9, unless the player plays it immediately after "Second Sun", in which case he retains his weapons from that level. It is also found next to some dead Rangers and ammunition crates in the aforementioned levels and "Of Their Own Accord".
The "M4A1 Grenadier w/ Red Dot Sight" is less commonly used by Task Force 141 members, most notably by Roach. One is given to him after planting the C4 in "The Only Easy Day... Was Yesterday". It seems to be his M4A1 SOPMOD with the Suppressor detached. The same variant is used by Soap after Roach detonates the C4. In "The Gulag" Roach's second starting weapon is a unique Arctic Camouflage version of it, which is the only camouflaged M4A1 in the Modern Warfare 2 campaign. This variant also appears to have an invisible infrared laser sight under the barrel, acting identically to the one in Call of Duty 4, visible only with night vision. The same weapon is later found in the armory in "Loose Ends", again, with the standard tan and black finish. This variant is also rarely used by Task Force 141 NPCs in most levels where they are encountered. Note that the Red Dot Sight on this variant has the zoom level of an ACOG Scope.
The "M4A1 Grenadier w/ Holographic" is less commonly used by Rangers and Task Force 141 NPCs. It is the starting weapon of Pvt. Ramirez in "Of Their Own Accord". Another one is automatically taken after using the FGM-148 Javelin in the "crow's nest". After the helicopter crash another one is given to him by Wade, but this variant is much less useful than the iron sight variant following the EMP.
The "M4A1 Grenadier w/ ACOG Sight" is less commonly used by Task Force 141 NPCs. In "The Gulag", Soap uses one to launch a flare from its M203 for the chopper to drop the SPIE rig. Several are also found on the upper floors of the building in "Of Their Own Accord", before boarding the UH-60 Blackhawk.
Before planting the C4 in "The Only Easy Day... Was Yesterday", Roach uses a suppressed variant of the "M4A1 Grenadier w/ Red Dot Sight" called the "M4A1 SOPMOD". It uses the same attachments as in Call of Duty 4, with their Modern Warfare 2 appearances. Its Red Dot Sight has the zoom level of a Holographic Sight.
The "M4A1 Suppressed" is seen used by friendly NPCs during the stealth "The Only Easy Day... Was Yesterday". It can only be obtained by the player in the Museum. This M4A1 has a unique pickup icon, which appears to be the unused M4A1 with a silencer and the singleplayer Red Dot Sight from Call of Duty 4: Modern Warfare, a theory reinforced by the name "M4A1 Suppressed", which they share.
===Multiplayer===
The M4A1 is available at level 4 as a default weapon when Create-A-Class is unlocked.
The M4A1 is a low damage assault rifle. At any range short of 37.5 meters, the M4A1 will deal thirty damage per bullet, needing four shots to kill. Damage decreases linearly until fifty meters. At any range past fifty meters, the M4A1 deals twenty damage per bullet, needing five shots to kill. The M4A1 has a four shot kill range of 44 meters. In Hardcore, the M4A1 has a one shot kill range of 37.5 meters. Headshots deal forty percent extra damage with the M4A1, and are beneficial in nearly all circumstances, although multiple headshots are needed at long range to attain the benefit from headshots. The M4A1 has medium penetration power.
The M4A1's damage profile improves when using Stopping Power. At any range short of 37.5 meters, the M4A1 will deal 42 damage per bullet, needing three shots to kill. Damage decreases linearly until fifty meters. At any range past fifty meters, the M4A1 will deal 28 damage per bullet, needing four shots to kill. The M4A1 has a three shot kill range of 45 meters. The M4A1 with Stopping Power is still capable of needing two shots to kill at long range in Hardcore to the body, although a headshot is a guaranteed kill in Hardcore. In Core game types, the M4A1 benefits severely from Stopping Power. In Hardcore, the M4A1 sees next to no use for the perk.
The M4A1 has the second fastest fire rate among assault rifles, firing at 857 RPM. 
The recoil per shot of the M4A1 is very mild. The M4A1 has recoil values of 40 to the left, 40 to the right, 50 upwards, and 30 downwards. Among assault rifles, only the ACR and the burst-fire assault rifles have less recoil per shot. The M4A1's centerspeed is 1500.
The M4A1 allows users to move at 95% of the base movement speed, but strafe at just 38% of the base movement speed. The M4A1 allows users to aim down the sights in 250 milliseconds, and the hip-fire accuracy is average. The M4A1's reload speeds are also exceptionally fast. The M4A1's reload animation is 2.03 seconds long, or 2.36 seconds long on an empty magazine. The user can Reload Cancel the M4A1 in 1.1 seconds.
The M4A1's magazine capacity is the standard thirty round magazine that the vast majority of assault rifles have. The M4A1 provides a starting ammo loadout of ninety rounds. 
The M4A1 has the standard assortment of assault rifle attachments on offer.
===Weapon Attachments===
*Grenade Launcher (M203)
*Shotgun
*Red Dot Sight
*Holographic Sight
*Silencer
*Heartbeat Sensor
*ACOG Scope
*Thermal Scope
*FMJ
*Extended Mags
===Gallery===
 
===Special Ops===
The M4A1 is a starting weapon in "The Pit" (M4A1 without any attachments), "Snatch & Grab" (M4A1 Grenadier w/ Red Dot Sight), "Breach and Clear" (Arctic camouflage M4A1 Grenadier w/ Red Dot Sight), "Estate Takedown" (M4A1 Grenadier w/ Holographic) and "Wetwork" (M4A1 Grenadier w/ Red Dot Sight). It an also be picked up in "Overwatch", "Estate Takedown" (M4A1 Grenadier w/ Red Dot Sight, found in the armory), "Wreckage" (M4A1 Grenadier, found many times in the level) and "Armor Piercing". All its variants are the same as in the Campaign.
M4A1 MW2.png|The M4A1 in first person.
M4A1 Iron Sights MW2.png|Aiming down the sights.
M4A1 Reloading MW2.png|Reloading the M4A1. Note that the cartridges in the magazine are in 2D.
M4A1 Cocking MW2.png|Cocking the M4A1.
M4A1 Third Person MW2.png|The M4A1 in third person (note the lack of foregrip).
==Call of Duty: Modern Warfare: Mobilized==
The M4A1 is featured in Call of Duty: Modern Warfare: Mobilized. This time, the standard M4A1 fires in three-round burst mode, whereas the Red Dot version is fully-automatic. The three-round burst M4 is almost a copy of the M16A4 found in Call of Duty 4: Modern Warfare. Notable differences are a slower rate of fire per burst but a smaller delay between them, as well as more compact iron sights.
The fully-automatic version with a Red Dot Sight has the same rate of fire but much more stopping power than the base M4A1. However, it has the second slowest rate of fire of all the assault rifles in the game. The weapon has a higher damage than the Call of Duty 4: Modern Warfare version, as it can perform a one-shot-kill if it is aimed at the chest at any range. Secondly, it has a higher rate of fire, and, lastly, like all the weapons of Call of Duty: Modern Warfare: Mobilized, it has almost no recoil when aiming down the sights.
===Campaign===
In the campaign, the burst-firing M4A1 is exclusive to the level "Closing In", though it can be seen in use by allies in all the missions of the American campaign. It deals lower damage than the M4A1 Red Dot, but it still kills with one burst. The fully-automatic M4A1 Red Dot is a starting weapon in the last few missions of the American campaign, and in the middle of the Task Force 141 campaign. Since it has a high rate of fire, and only 120 reserved rounds to start with, it usually runs out of ammo before the end of the level.
===Multiplayer===
In multiplayer, the three-round burst M4A1 is available by default, along with the MP5 and MP7. It is probably the least common weapon used in multiplayer, due to its lack of power, as it takes two bursts to kill, and low ammunition efficiency. Those who do use it usually discard it when the fully-automatic M4A1 Red Dot is unlocked, since it has much higher power and the same rate of fire as the M4A1, only without the delay between bursts.
The fully-automatic M4A1 Red Dot is unlocked for the Coalition faction, taking 50 kills to unlock. Due to its high rate of fire and low recoil, it is favored by many players. It is the most powerful, but slowest firing assault rifle in the game.
M4 Carbine MW Mobilized.jpg|The M4A1 on DS
M4 Carbine Iron Sights MW Mobilized.jpg|Iron sights
M4 Carbine Inventory MW Mobilized.jpg|Inventory icon
M4A1 DS.jpg|The M4A1 with Red Dot Sight; note that this model also has a foregrip
M4A1 Mobilized sight.jpg|Aiming down the Red Dot Sight
M4A1 Inventory Icon DS.jpg|The M4A1 Red Dot's inventory icon
==Modern Warfare 2: Ghost==
The M4A1 is used by various characters including Simon "Ghost" Riley, Kevin Sparks and Marcus Washington. It is also seen in Ghost's hands on the cover of all comic books except the fourth.
===Attachments===
*Holographic Sight
*Hybrid Sight
*Sniper Scope
*Grenade Launcher (M203)
*Foregrip
*Dual Mags
===Gallery===
M4A1 Dual Mags MW2G.png|Ghosts with his M4A1 on the "Dead Life" cover.
M4A1 M203 MW2G.png|Washington with his M4A1 in "Dead for a Day".
==Find Makarov==
The M4A1 is used by various characters including John "Soap" MacTavish and Simon "Ghost" Riley.
M4A1 FM.png|Ghost and another team member with their M4A1s
==Find Makarov: Operation Kingfish==
The M4A1 is used by Soap, Price, Sandman and Frost with various attachments. One is also on the table next to Soap during the briefing, when he is seen loading a magazine.
===Attachments===
*Holographic Sight
*ACOG Scope
*M68
*Grenade Launcher (M203)
*Foregrip
*AN/PEQ-2A
===Gallery===
OperationKingfish-Frost 2.png|Frost firing his M4A1
Soap M4 M203 FMOK.png|Soap using his M4's grenade launcher
Price M4A1 ACOG FMOK.png|Price with his M4A1
==Call of Duty: Modern Warfare 3==
The M4A1 makes its return in Call of Duty: Modern Warfare 3. The M4A1 has a new look; a matte black finish, a custom charging handle assist, skeletonized stock, a different magazine, and slightly different iron sights. The M4A1 has a 30-round magazine. As in previous installments, a foregrip is mounted by default.
===Campaign===
The M4A1 is the first weapon to be used in the campaign, being Frost's weapon at the start of "Black Tuesday", in which it is equipped with a Hybrid Sight. It is also a starting weapon in "Goalpost", "Return to Sender", "Iron Lady", "Down the Rabbit Hole", and "Dust to Dust". It is an alternate weapon in "Persona Non Grata". Captain Price gives Yuri his M4A1 in "Blood Brothers" after carrying Soap to safety following their failed assassination on Makarov.
The M4A1 has the zoom of an ACOG Scope most of the time when aiming down the sights, regardless of which optic is attached, with the exception of the Hybrid Sight (in which case one will receive a normal zoom level when using the Red Dot Sight). Ironically, in "Down the Rabbit Hole", the M4A1 has an ACOG Scope attached, but it has the zoom of a Red Dot Sight.
===Multiplayer===
The M4A1 is unlocked as soon as Create-A-Class is unlocked at Level 4. 
At any range shorter than twenty meters, the M4A1 will deal 42 damage per bullet, needing three shots to kill. Damage decreases linearly until 35 meters. At any range beyond 35 meters, the M4A1 will only deal twenty damage per bullet, needing five shots to kill. The M4A1 has a three shot kill range of 25.5 meters, and a four shot kill range of 31.6 meters. In Hardcore game types, the M4A1 has a one shot kill range of roughly 29 meters. The M4A1 deals forty percent extra damage on a headshot. This can reduce the shots needed to kill by one at any range, although multiple headshots will be needed at longer ranges, and a headshot at long range can potentially not kill an enemy in one shot in Hardcore. The M4A1 has medium penetration power.
The M4A1 fires fully automatically, with a fire rate of 789 RPM.
The M4A1 has recoil values of 40 to the left, 40 to the right, 50 upwards, and 30 downwards. The M4A1 has a centerspeed value of 1350.
The M4A1 allows users to move at 90% of the base speed, or strafe at 36% of the base speed. The M4A1 allows users to aim down the sight in 300 milliseconds, and the M4A1 has moderate hip-fire spread.The M4A1's reload animation is 2.03 seconds long, or 2.4 seconds long if the magazine is empty. In either case, users can Reload Cancel after 1.33 seconds.
The M4A1 has a standard magazine capacity of thirty rounds. The M4A1 has a starting ammo loadout of ninety rounds.
The M4A1 has the standard assortment of assault rifle attachments and weapon proficiencies available to it. All attachments and proficiencies work as expected on the M4A1. 
The M4A1 is also featured in the game mode Money In The Denk. It is seen in the "Money" class, where it is equipped with a Red Dot Sight.
===Special Ops===
The M4A1 is available for both Survival and Mission modes.
====Mission Mode====
The M4A1 is a starting weapon in the Mission Mode missions "Fatal Extraction", "Smack Town", "Flood the Market", and "Fire Mission". It is an alternate weapon in "Stay Sharp" and "Charges Set".
====Survival Mode====
The M4A1 is available in Survival Mode by default and costs $3000. It is a solid weapon to start off with due to the good damage at close or medium range; it also has a good handling and high rate of fire. However, the M4A1 has low power at a distance and burns through ammunition quickly.
===Attachments===
*Red Dot Sight - Unlocked at weapon level 2.
*Silencer - Unlocked at weapon level 5.
*Grenade Launcher (M203) - Unlocked at weapon level 8.
*ACOG Scope - Unlocked at weapon level 11.
*Heartbeat Sensor - Unlocked at weapon level 14.
*Holographic Sight - Unlocked at weapon level 17.
*Shotgun - Unlocked at weapon level 20.
*Hybrid Sight - Unlocked at weapon level 23.
*Extended Mags - Unlocked at weapon level 26.
*Thermal Scope - Unlocked at weapon level 29.
===Proficiency===
*Kick - Unlocked at weapon level 4.
*Impact - Unlocked at weapon level 9.
*Attachments - Unlocked at weapon level 12.
*Focus - Unlocked at weapon level 16.
*Breath - Unlocked at weapon level 22.
*Stability - Unlocked at weapon level 28.
===Gallery===
M4A1 MW3.png|First person view of the M4A1.
ADS M4A1 MW3.png|Aiming down the M4A1.
Reloading M4A1 MW3.png|Reloading the M4A1. Note that the cartridges inside the magazine are in 2D.
M4A1 cocking MW3.png|Cocking the M4A1.
M4A1 Hybrid Sight Side View MW3.png|A side view of the M4A1 with a Hybrid Sight attached.
M4A1 Hybrid Sight Third Person MW3.png|The M4A1 with a Hybrid Sight in third person.
M4A1 magnifier MW3.png|M4A1 HUD icon in Black Tuesday.
M4A1 Beta Menu Icon MW3.png|The M4A1's menu icon from the beta build. Note the absence of the front sight.
PriceM4A1 MW3.png|Price with an M4A1.
M4A1 Third Person MW3.png|A Delta Force soldier firing his M4A1 equipped with an ACOG Scope.
==Call of Duty: Modern Warfare 3: Defiance==
The M4A1 returns in Call of Duty: Modern Warfare 3: Defiance, simply referred to as the M4.
===Campaign===
The US National Guard are often equipped with this. In the campaign, on various missions the player often starts off equipped with the M4, and later in the game the M4 can be picked up with various attachments. Unlike its Modern Warfare: Mobilized counterpart, the M4 is now fully-automatic by default, with a high rate of fire, penetration and average recoil.
===Multiplayer===
It is unlocked straight away at the start when setting up weapon loadouts and barracks. It is also unlocked with the standard AK-47, M9 and SPAS-12.
===Weapon Attachments===
*Scope - Unlocked at 150 kills with standard M4.
*Red Dot Sight - Unlocked at 150 kills with Scoped M4.
*Grenade Launcher - Found in multiplayer maps as a pop up "Mystery Weapon", if enabled.
===Gallery===
M4standard MW3DS.png|First person view of the M4
M4 ADS MW3DS.png|Iron sights
M4 m203 MW3DS.png|The M4 with M203 grenade launcher
M4 203 ICON MW3DS.png|Inventory icon of M4 w/ M203
M4 Red Dot Sight MW3DS.png|First person view of the M4 with Red Dot Sight
M4 Red Dot Sight Aiming MW3DS.png|Aiming the M4 with Red Dot Sight
M4 Carbine Inventory MW3DS.png|Inventory icon of M4 w/ Red Dot Sight
M4scope MW3DS.png|M4 w/ Scope
M4scope2 MW3DS.png|M4 w/ Scope aim down sight
M4SC ICON MW3DS.png|Inventory icon of M4 w/ Scope
==Call of Duty: Black Ops II==
The M4A1 was seen in a reveal poster, being held by a soldier, but was cut in the final game. A clearly unfinished menu icon is in the game files, lacking a complete model and is untextured. The gun in the gamefiles was named "M4."
===Gallery===
Soldier holding a M4A1 BOII poster.png|A soldier holding what appears to be a heavily modified M4 in a piece of promotional art.
M4 big cut content BOII.png|Both a large and small menu icon can be found. It is likely the small icon was a placeholder for a HUD icon.
M4A1_BO2_BaseWeapon_Base.png|The M4A1 appears as "BaseWeapon_Base". This version is the Modern Warfare 3 version.
M4A1 BO2.png|Holding the M4
D82A8C35-FF06-454E-BA50-2E0FA9D7CA2A.png|the M4’s Iron sights
2B2CE207-755C-4B49-A902-4C8EAD475F6F.png|Reloading the M4
==Call of Duty Online==
The M4A1 returns in Call of Duty Online. It has a black finish, and unlike in previous installments it doesn't have a foregrip by default. Two other variants, the M4A1 Tech assault rifle and the M4LMG light machine gun, appear in the game as well.
===Attachments===
*Reflex Sight
*Red Dot Sight
*Holographic Sight
*ACOG Scope
*Thermal Scope
*Grenade Launcher (M203)
*Underbarrel Shotgun
*Angled Grip
*Foregrip
*Heartbeat Sensor
*Silencer
*Flash Suppressor
*Laser Sight
*Adjustable Stock
*Quickdraw Handle
*Extended Mag
*Fast Mag
*FMJ
===Gallery===
M4A1 CoDO.png|The M4A1 in first person.
M4A1 ADS CoDO.png|Aiming down the sights.
M4A1 Reloading CoDO.png|Reloading the M4A1.
M4A1 Cocking CoDO.png|Cocking the M4A1.
==Call of Duty: Ghosts==
The M4A1 appeared in the "Behind the Scenes Preview" video. Its appearance is that of the Call of Duty: Modern Warfare 3 M4A1. It is seen with a Grenade Launcher and Red Dot Sight at two points in the video. It still retains the foregrip as with previous Call of Duty games it appeared in. The Call of Duty: Modern Warfare 2 M4A1 is also seen in the same video in demonstrations of melee combat and the new mantle system. Either way, the weapon does not appear in the final game. However, if the player collects the Rorke file in "The Ghost Killer", there is an image that shows Rorke training with an M4A1 equipped with an M68 sight.
It is loaded in the memory of the mission The Hunted and is fitted with a Red Dot Sight and a Silencer by default. It's completely usable and has the same Modern Warfare 3 model, but lacks a firing sound.Video use
===Attachments===
*M68
*Red Dot Sight
*Grenade Launcher (M203)
*Silencer
===Gallery===
M4A1 Grenade Launcher CODG.png|Modern Warfare 3 variant of the M4A1 equipped with Grenade Launcher, seen briefly during Behind the Scenes video.
M4A1 Red Dot Sight CoDG.png|Red Dot Sight attached to the M4A1.
M4A1 Red Dot ADS CoDG.png|Aiming down the red dot sight.
M4A1 MW2 variant CODG.png|Modern Warfare 2 variant of the M4A1, seen during Behind the Scenes video. Note that the character that is holding it looks similar to Modern Warfare 3s Sandman.
Rorke File The Ghost Killer 3 CoDG.png|Rorke aiming a M4A1, as seen in a Rorke file image.
==Call of Duty: Heroes==
The M4A1 was seen being held by numerous characters in Call of Duty: Heroes, however, it is never used by any of the units or heroes in-game.
==Call of Duty: Mobile==
The M4A1 returns in Call of Duty: Mobile as the M4.
===Multiplayer===
The M4 is an average weapon in all respects, though it has a large array of attachments, making it very versatile. Despite having a rather average statistic compared to its peers, the M4 sports an extremely clear iron sight, making optical attachments somewhat obsolete. At 20-40 meters, the M4 can achieve a 3 and 4 shot, as long as you hit the head, then it has infinite 5 and 6 shot if you hit the upper body parts. 
Rate of fire is 682 RPM, tied with the Kilo 141, which is relatively fast for an assault rifle. 
Hipfire bullet spread is 225(225), which is average for class, equip laser attachments to improve it's hipfire spread at close range. 
Mobility is standard for assault rifle class, it has 6.06 m/s of sprint speed, 4.67 m/s movement speed and 2.8 m/s of ADS movement speed, mobility attachments can make the M4 very fast in movement. 
Aim Down Sight time is 232 milliseconds, which is average for an assault rifle and SMG, attachments are not needed to improve it's aiming time. 
Aim Down Sight bullet spread is 20(11) tied with the Holger 26, average for an LMG, equip accurate and heavy attachments to hit enemies easier at long ranges. 
Sprint-to-Fire delay is 150 milliseconds, average for an Assault Rifle. 
Hit flinch is 0.65, average for an assault rifle. Equip stocks to improve the flinch. 
A Monolithic Suppressor is a great choice for the M4, as the 25% range increase will help it compete better against other rifles such as the LK24, KN-44, Peacekeeper MK2, as well as staying off the minimap.
===Battle Royale===
The M4 has low recoil, and fast fire rate, allowing it to beam enemies at longer ranges. While it is an excellent weapon to use as a jack of all trades, it received an indirect nerf in the form of shakier visual recoil, which makes hitting targets slightly more difficult. The gun can be found with no attachments like many weapons on the ground, or be selected as a custom weapon in loadout drops.
===Attachments===
====Muzzle====
*OWC Light Suppressor
*OWC Light Compensator
*RTC Light Muzzle Brake
*Tactical Suppressor
*MIP Light Flash Guard
*Monolithic Suppressor
====Barrel====
*YKM Integral Suppressor Light
*MIP Light Barrel (Short)
*OWC Ranger
*MIP Light
*OWC Marksman
====Optic====
*Classic Red Dot Sight
*Red Dot Sight 6
*Holographic Sight 2
*3X Tactical Scope 1
*Red Dot Sight 3
*Holographic Sight 3
*4X Tactical Scope
*3X Tactical Scope 2
*Classic Holographic Sight
*3X Tactical Scope 3
*Red Dot Sight 4
*Red Dot Sight 5
*Holographic Sight 1
*OWC 4.4X Tactical Scope
*RTC 4.4X Tactical Scope
*Red Dot Sight 1
*Red Dot Sight 2
*Tactical Scope
====Stock====
*YKM Light Stock
*RTC Steady Stock
*YKM Combat Stock
*No Stock
====Perks====
*FMJ
*Tough
*Long Shot
*Melee Master
*Sleight of Hand
*Wounding
*Full Ammo
*Disable
====Laser====
*RTC Laser 1mW
*MIP Laser 5mW
*OWC Laser - Tactical
====Underbarrel====
*Strike Foregrip
*Merc Foregrip
*Operator Foregrip
*Ranger Foregrip
*Tactical Foregrip A
*Underbarrel Launcher
====Ammunition====
*40 Round Extended Mag
*50 Round Extended Mag
====Rear Grip====
*Stippled Grip Tape
*Granulated Grip Tape
*Rubberized Grip Tape
===Blueprints===
====Epic====
====Legendary====
*Court Jester
*Thermal Shroud
*Iron Song
*Void Implosion (Garena, Chinese and VNG version exclusive)
*Black Gold Royal
===Gallery===
M4 model render CoDM.png|An old render of the M4 model
M4 New Version CODM.jpg|The M4 in first person
M4 IronSights New Version CODM.jpg|Aiming down the sights
M4 Reload New Version CODM.jpg|Reloading the M4
M4 Dry Reload CODM.jpg|Dry reload with bolt release
M4 Inspection CODM.jpg|Inspecting the M4 from the left side
M4 Inspection 2 CODM.jpg|Inspecting from the right side
==Call of Duty: Modern Warfare==
The M4A1 returns in Call of Duty: Modern Warfare.
===Overview===
====Campaign====
The M4A1 is available for use in the campaign. Some versions can be found modeled after the "XRK M4" and "Zip Tie" blueprints from multiplayer, albeit with a black finish. The weapon is used by the USMC, and is Alex's primary weapon in "Fog of War", "Hunting Party", and "Into the Furnace". Several are also found in ”The Embassy", lying around the embassy and the compound. It mostly can be found off dead Marines in the basement, and in the armory where the player gets the designator. An unusable M4A1 is seen being used by a Marine in the same mission, along with an M91 being used another, but they cannot be used or picked up. Several can also be dropped by dead Marines in Hunting Party.
====Multiplayer====
The M4A1 is unlocked at rank 6 for use in multiplayer and is a versatile fully-automatic assault rifle.
The M4A1 is a 4-6 shot kill to the body which is average for the assault rifle class. Headshots can lower this to 3-4 shots, but at long range you will sometimes need multiple headshots to see a reduction in shots to kill. The gun comes with a 809 RPM fire rate which is slightly above average for an assault rifle. Additionally, the M4A1 comes with good ADS and move speeds for its class, a fast reload, and predictable recoil. All of these traits make the weapon deadly out to medium distances and allow it to hold its own even over longer sightlines. The gun's versatility, ease of use, and respectable kill times make the M4A1 one of the more commonly seen weapons in multiplayer.
The gun's performance can be further adjusted with attachments. Barrels such as the Stock M16 Grenadier and Corvus Custom Marksman will improve damage range and recoil control for engaging targets at longer distances. In contrast, the FSS 11.5" Commando barrel will grant faster move speed and ADS speed for closer encounters. The M4A1 also has a typical array of stocks, muzzles, and other attachments to tailor the gun for a variety of situations. It also possesses two unique conversion kits: 9mm Para 32-Round Mags and .458 SOCOM 10-Round Mags.
The 9mm Para conversion lowers the weapon's damage slightly, especially to the limbs. The rifle will now need 4-7 shots to the torso, 3-5 shots to the head, or 5-8 shots to the limbs to kill a target. The M4A1's effective damage range is also lowered quite significantly. In exchange for these downsides, the rate of fire is increased considerably to 993 RPM. This makes kill times quite fast up close and causes the M4A1 to function more like a SMG. Overall recoil is also lowered slightly despite the increase in fire rate.
The .458 SOCOM conversion functions in the opposite way. The M4A1's damage is boosted to a 3-shot kill or 2-shot headshot at any range. This is a sizable increase and is similar to high powered rifles like the FAL, albeit without the additional chest multiplier. This conversion will yield much more consistent performance over longer ranges. Unfortunately, the fire rate is reduced to 591 RPM, magazine capacity is a paltry 10 rounds, and recoil per shot is increased.
===Attachments===
====Muzzle====
*Flash Guard (Lv. 2)
*Breacher Device (Lv. 10)
*Tactical Suppressor (Lv. 12)
*Muzzle Brake (Lv. 18)
*Lightweight Suppressor (Lv. 37)
*Compensator (Lv. 43)
*Monolithic Suppressor (Lv. 58)
====Barrel====
*FSS 11.5" Commando (Lv. 9)
*Stock M16 Grenadier (Lv. 36)
*FSS 14.5" Tac Lite (Lv. 52)
*Corvus Custom Marksman (Lv. 59)
*FSS 12.4" Predator (Lv. 70)
====Laser====
*1mW Laser (Lv. 30)
*5mW Laser (Lv. 41)
*Tac Laser (Lv. 54)
====Optic====
*Cronen LP945 Mini Reflex (Lv. 3)
*Corp Combat Holo Sight (Lv. 5)
*Operator Reflex Sight (Lv. 7)
*Scout Combat Optic (Lv. 11)
*4.0 Flip Hybrid (Lv. 15)
*Aim-Op Reflex Sight (Lv. 19)
*APX5 Holographic Sight (Lv. 23)
*Integral Hybrid (Lv. 27)
*Solozero NVG Enhanced (Lv. 29)
*VLK 3.0x Optic (Lv. 33)
*Sniper Scope (Lv. 38)
*Viper Reflex Sight (Lv. 44)
*G.I. Mini Reflex (Lv. 47)
*PBX Holo 7 Sight (Lv. 49)
*Cronen C480 Pro Optic (Lv. 51)
*Monocle Reflex Sight (Lv. 55)
*Variable Zoom Scope (Lv. 62)
*Canted Hybrid (Lv. 65)
*Merc Thermal Optic (Lv. 66)
*Thermal Hybrid (Lv. 68)
====Stock====
*M-16 Stock (Lv. 16)
*Singuard Arms Invader (Lv. 28)
*No Stock (Lv. 53)
*FORGE TAC CQS (Lv. 64)
====Underbarrel====
*Commando Foregrip (Lv. 4)
*M203 40mm High-explosive (Lv. 8)
*M203 40mm Incendiary (Lv. 14)
*12-Gauge Deputy (Lv. 17)
*Merc Foregrip (Lv. 20)
*M203 40mm Smokescreen (Lv. 25)
*Tactical Foregrip (Lv. 31)
*M203 40mm Recon (Lv. 34)
*Bipod (Lv. 46)
*M203 40mm Flash (Lv. 56)
*Ranger Foregrip (Lv. 61)
*M203 40mm Concussive (Lv. 67)
*Operator Foregrip (Lv. 69)
====Magazine==== 
*50 Round Mags (Lv. 24)
*60 Round Mags (Lv. 39)
*9mm Para 32-Round Mags (Lv. 48)
*.458 SOCOM 10-Round Mags (Lv. 63)
====Rear Grip====
*Granulated Grip Tape (Lv. 22)
*Rubberized Grip Tape (Lv. 40)
*Stippled Grip Tape (Lv. 60)
====Perks====
*FMJ (Lv. 6)
*Sleight of Hand (Lv. 13)
*Frangible - Wounding (Lv. 21)
*Heavy Hitter (Lv. 26)
*Fully Loaded (Lv. 32)
*Burst (Lv. 35)
*Recon (Lv. 42)
*Mo' Money (Lv. 45)
*Fast Melee (Lv. 50)
*Frangible - Disabling (Lv. 57)
*Presence of Mind (Lv. 71)
===Blueprints===
Blueprint 	Rarity 	How to obtain
The Purist 	Rare 	Battle Pass Modern Warfare Season 1 Tier 1
Moonshadow 	Rare 	Reticent Bundle
Stalwart 	Rare 	F.U.B.A.R Bundle
Ghostly Recollection 	Rare 	Spectrum Bundle
Calibrutal 	Epic 	Full Metal Bundle
Zip Tie 	Epic 	Peace Bringer Bundle
Monkey Business 	Epic 	No Work, All Play Bundle
Thunderclap 	Epic 	Balkan Blue Lightning Unit Bundle
Stem The Tide 	Epic 	SERE Kit: Mid-Range Bundle
or
Ghost Legacy Pack (Purchase Call of Duty: Modern Warfare II Vault Edition)
Grail Quest 	Epic 	2v2 Gunfight Tournament reward Modern Warfare Season 4
Grand Rapids 	Epic 	Multiplayer Mission Crisis Control
OG 	Legendary	Reach level 155 in Season 0
XRK M4 	Legendary	Buy digital copy of Call Of Duty: Modern Warfare
Oscar Mike 	Legendary	Gun Nut Bundle
or
Ghost Legacy Pack (Purchase Call of Duty: Modern Warfare II Vault Edition)
Polytope 	Legendary	Geometric Bundle
Florin 	Legendary	Executive Armory V Bundle
or
Ghost Legacy Pack (Purchase Call of Duty: Modern Warfare II Vault Edition)
The Breakup 	Legendary	Tracer Pack: Anime Bundle
or
Ghost Legacy Pack (Purchase Call of Duty: Modern Warfare II Vault Edition)
Task Force 	Legendary	Buy digital copy of Call of Duty: Modern Warfare 2 Campaign Remastered
Jumping Spider 	Legendary	The Recluse Bundle
or
Ghost Legacy Pack (Purchase Call of Duty: Modern Warfare II Vault Edition)
Kingly Splendor 	Legendary	Twin Dragons Bundle
or
Ghost Legacy Pack (Purchase Call of Duty: Modern Warfare II Vault Edition)
Noconformist 	Legendary	Prototype 367 Bundle
Soulful Wanderer 	Legendary	Ronin Operator Bundle
White Noise 	Legendary	Trophy Skulls Bundle
or
Ghost Legacy Pack (Purchase Call of Duty: Modern Warfare II Vault Edition)
The Mind Of The Beast	Legendary	Roc Slayer Bundle
For The Cause 	Legendary	C.O.D.E. Fearless Pack
Fair Brass 	Legendary	Gaz Operator Bundle
CDL Champs 2020 M4 	Legendary	CDL Champs 2020 Pack
1776 	Legendary	Tracer Pack: Freedom Bundle
Spanish Moss 	Legendary	Beyond The Pale Bundle
Tombstone 	Legendary	Morte Operator Bundle
The Wages Of Sin 	Legendary	Tracer Pack: Skeletonized Bundle
or
Ghost Legacy Pack (Purchase Call of Duty: Modern Warfare II Vault Edition)
Old Faithful 	Legendary	Buy digital copy of Call of Duty: Black Ops Cold War
Murdoc 	Legendary	Ghost: Fighting Spirit Bundle
Primis 	Legendary	Undead Forces Bundle
or
Ghost Legacy Pack (Purchase Call of Duty: Modern Warfare II Vault Edition)
War Pig 	Legendary	Sgt. Griggs Operator Bundle
Abaddon 	Legendary	TacGas: Fuel Your Brand Bundle
K2 	Legendary	Sparks Forstbite Bundle
or
Ghost Legacy Pack (Purchase Call of Duty: Modern Warfare II Vault Edition)
===Gallery===
M4A1 Render CoDMW.jpg|Render of the M4A1
M4A1 pickup MW.png|Ready animation
M4A1 Reload 1 MW.png|Reloading
M4A1 Reload 2 MW.png|Dry reload
MW 2019 Screenshot 5.png|A soldier with an M4A1
MP M4A1 CoDMW.jpg|Third-person view of the M4A1 with an M203 grenade launcher in the multiplayer reveal trailer
CoDMW-Trailer-Breach-01.png|A soldier with a short-barreled M4A1 breaching a room
XRK M4 MW.png|The XRK M4 
XRK-M4.jpg|The XRK M4 in the Gunsmith
M4A1 Held MW2019.png|The M4A1 in first person.
M4A1 Aiming MW2019.png|The default Iron Sights of the M4A1.
M4A1 Inspect MW2019.png|Inspecting the M4A1.
==Call of Duty: Modern Warfare II & Modern Warfare III==
The M4A1 returns in Call of Duty: Modern Warfare II as the M4.
The M4 is also available in Call of Duty: Modern Warfare III as part of the Modern Warfare II content carryover.
===Overview===
====Campaign====
In Modern Warfare II's campaign mode, the M4 is used by Task Force 141, Shadow Company, Al-Qatala, and the Las Almas Cartel.
In Modern Warfare III's campaign mode, the M4 is used by Price in the mission Reactor.
====DMZ====
In the DMZ mode, the M4 is used primarily by Shadow Company and Konni Group Agents, followed by Al-Qatala Agents, and finally, it's used by Las Almas Cartel Agents.
====Zombies====
In Modern Warfare III, the M4 can be brought into Operation Deadbolt via Create-A-Class, at Common rarity and can be found at any rarity via the Mystery Box for 950 Essence. When upgraded via the Pack-a-Punch Machine or with Aetherium Crystals, it becomes the Corps Companion.
===Attachments===
====Muzzle====
*Corvus Slash Gen. 2
*Dark KX30
*VLK Koloss Flash Hider
*Broadhead-3DP
*Silentfire XG6
*Echoline GS-X
*Harbinger D20
*Echoless-80
*FSS Covert V
*Gauge-9 Mono
*RF Crown 50
*Komodo Heavy
*XTEN Ported 290
*Cronen OP44
*FTAC Castle Comp
*XTEN Havoc 90
*Sakin Tread-40
*C400 Door Knocker
====Barrel====
*14" Carbine Shroud
*7.5" Tempus Firebrand
*Tempus Trench Pro
*419mm EXF Barrel
*Hightower 20" Barrel
*11.5" T-H4 Barrel
*11.5" Carbine Shroud
*Beast Fifty Long Barrel (JAK Harbinger Kit, Modern Warfare III)
*Mortar 50 Short Barrel (JAK Harbinger Kit, Modern Warfare III)
====Laser====
*SZ 1mw PEQ
*Schlager PEQ Box IV
*Corio LAZ-44 V3
*FSS OLE-V Laser
*Canted Vibro-Dot 7
*1mw Laser Box
*Stovl DR Laser Box
*Corvus PEQ Beam-5
*FTAC Grimline Laser
*Luminate-44
*DXS Flash 90
====Optics====
*JAK Bullseye (Modern Warfare III)
*Cronen Intlas MSP-12 (Modern Warfare III)
*JAK Glassless Optic (Modern Warfare III)
*TPS Incendio Reflex (Modern Warfare III)
*Intlas CAS-14 (Modern Warfare III)
*KR Intlas LSJ-3 (Modern Warfare III)
*Slate Reflector (Modern Warfare III)
*XTEN ERX-10 Mini (Modern Warfare III)
*MORS Dot Sight (Modern Warfare III)
*Slimline Pro 
*SZ Mini
*Cronen Mini Dot
*Cronen Mini Pro
*SZ Sigma-IV Optic
*SZ Minitac-40
*KR Minitac-40 Riser (Modern Warfare III)
*FSS Spectre Microtherm (Modern Warfare III)
*QTG Reflex Sight (Modern Warfare III)
*Caucasus Reflex Sight (Modern Warfare III)
*Nydar Model 2023 (Modern Warfare III)
*MK.3 Reflector (Modern Warfare III)
*Dragon's Eye Optic (Modern Warfare III)
*Quarters Classic Reflex (Modern Warfare III)
*JAK NRG-IV Optic (Modern Warfare III)
*XRK On-Point Optic
*AIM OP-V4
*DF105 Relfex Sight
*Monocle CT90
*Corvus SOL-76
*SZ Recharge-DX
*SZ SRO-7
*Corio RE-X Pro
*KR V4 1X Riser (Modern Warfare III)
*Chrios Holo (Modern Warfare III)
*Corio Enforcer Optic
*SZ Lonewolf Optic
*Kazan-Holo
*SZ Battle Optic
*Corvus Downrage-00
*XTEN Angel-40
*SZ Holotherm
*Corio ELT-10 2.5 (Modern Warfare III)
*KR Mortis Precision 2.5x (Modern Warfare III)
*Corio Eagleseye 2.5x (Modern Warfare III)
*SL Truesight 2.5x (Modern Warfare III)
*Holo-Craft Optic (Modern Warfare III)
*KR Marauder 9 Riser (Modern Warfare III)
*TOS Nightfall 2.5x Thermal Optic (Modern Warfare III)
*AOK 4.0x RQ-9 Recon (Modern Warfare III)
*TX4 Havoc (Modern Warfare III)
*VLK 4.0 Optic
*Schlager 3.4x
*FORGE TAC Delta 4
*Cronen Zero-P Optic
*SZ Bullseye Optic
*SZ Aggressor-IR Optic
*Schlager Night View
*VX350 Thermal Optic
*Teplo-OP3 Scope
*Heinrichter Hybrid Scope (Modern Warfare III)
*SZ HM5 Precision Hybrid Optic (Modern Warfare III)
*Corvus Ghostview (Modern Warfare III)
*DR582 Hybrid Sight
*Hybrid Firepoint
*SZ Vortex-90
*BPZ40 Hybrid
*SZ Oscar-9
*Angel-40 4.8x
*Thermo-Optic x9
*Teplo Clear Shot
*FTAC Charlie7
*HMW-20 Optic
*Luca Bandera Scope
*DS Farsight 11
*3x RFL-Optic
*Drexsom Prime-90
*Ares Clear Shot
====Stock====
*Ravage-8
*Demo Fade Pro Stock
*Tempus P80 Strike Stock
*Demo Precision Elite Factory
*Corio Precio Factory
*Demo D50 Buffer Tube
*JAK Cutthroat (Modern Warfare III)
====Underbarrel====
*Edge-47 Grip
*Demo Firm Grip
*XTEN Gravedigger
*FTAC Ripper 56
*Demo Cleanshot 40
*Demo IMP-44 Grip
*FTAC Tiger Grip
*FSS Sharkfin 90
*Agent Grip
*Bruen Sync Shot Grip
*XTEN Drop Grip
*Phase-3 Grip
*Merc Foregrip
*Lockgrip Precision-40
*Hex-40 Grip
*Schlager Tango
*VX Pineapple
*OP-X9 Foregrip
*Operator Foregrip
*TV Wrecker Grip
*Bruen Tilt Grip
*Cronen Grooveshot Grip
*Bruen Warrior Grip
*Bipod V9 Grip
*Level Aim Bipod
*Cornerstone Bipod
*XTEN Stable Shot
*SPW 40mm HE
*SPW 40mm Drill
*Corvus Masterkey
*Corvus Torch (Get 15 Point-Blank Operator Kills with Underbarrel Shotguns)
====Ammunition====
*5.56 NATO Low Grain Rounds (Modern Warfare III)
*5.56 NATO High Grain Rounds (Modern Warfare III)
*5.56 NATO Round Nose (Modern Warfare III)
*5.56 NATO Mono (Modern Warfare III)
*5.56 Frangible
*5.56 Hollowpoint
*5.56 Armor Piercing
*5.56 Overpressured +P
*5.56 High Velocity
====Magazine====
*45-Round Mag
*60-Round Mag
====Rear Grip====
*D15 Grip
*Sakin ZX Grip
*XTEN Grip
*Phantom Grip
*Support CP90 Grip
====Receiver====
*M4
*M16
*556 Icarus
*FTac Recon
*FSS Hurricane
====Conversion Kit (Modern Warfare III)====
*JAK Harbinger Kit
===Blueprints (Modern Warfare II)===
Blueprint 	Image	How to Obtain
Black Bear 	 	Timeless Fury Bundle
Bravado 	 	The Boys: Homelander Operator Bundle
Carmine Carbine 	 	Sanguine Squat Bundle
Cinder 	 	FJX Cinder Weapon Vault (Vault Edition Bonus)
Dawn's Light 	 	Tracer Pack: Butch Operator Bundle
Diamonds 	 	Tracer Pack: 2023 Call of Duty League Champs Bundle
Dog Days 	 	War Hound Bundle
Downpour 	 	Complete the White Lotus "Extermination" Tier 5 mission in DMZ during Season Two and Season Three.
Dragonfly 	 	Oni Operator Pack
Flatline 	 	Infinite Warfighters: ETH.3N Bundle
Heliotrope 	 	Tracer Pack: Purple Jolt Bundle
King Hunter 	 	Battle Pass Season Five Sector E1
King Hunter BlackCell	 	Battle Pass Season Five Sector E1 (BlackCell Exclusive)
Mortal's Bane 	 	Complete Season One Battle Pass
No Truce 	 	Log in Modern Warfare II or Warzone 2.0 7 days between July 19th and August 1st, 2023
Oni Slasher 	 	Crimson Way Combat Pack
Pulling G'S 	 	Afterburner Bundle
Secret Weapon 	 	Overgrown Bundle
Short Fuse 	 	Executive Warfighter Bundle
Singularity 	 	Battle Pass Season Three BlackCell Sector
Soul Harvester 	 	Pre-order Call of Duty: Modern Warfare III Vault Edition
Skull Breaker 	 	Tracer Pack: Bone Chiller Bundle
The Gatman 	 	Tracer Pack: TimTheTatman Operator Bundle
Threat Neutralized 	 	Terror Task Force Bundle
Union Guard 	 	Complete the Modern Warfare II Campaign on any difficulty
Watchful 	 	Battle Pass Season Two Sector B0
Winged Warrior 	 	C.O.D.E. Valkyrie Pack
Worn & Beaten 	 	Complete a Blacksite in Warzone 2.0 after Season Four.
===Blueprints (Modern Warfare III)===
Blueprint 	Image	How to Obtain
Glass Cannon 	 	Tracer Pack: Oktoberfest 2024 New Weapon Bundle
Heavy Thunder 	 	Warzone Mobile Operation: Day Zero event Community Reward: Clear Zone 5
Nonconformity 	 	Tracer Pack: Ghost Punk Pro Pack
Push The Button	 	Turbulence Ultra Skin Bundle
===Blueprints (Warzone Mobile)===
Blueprint 	Image	Rarity 	How to Obtain
Archfiend 	 	Rare 	Warzone Mobile 15 Million pre-registrations Reward
Arcstorm 	 	Legendary	Arcstorm The Keep
Brass Engine	 	Rare 	Copperhead The Keep
Raging Blaze	 	Rare 	Obtain 250000 Event Points during the Operation: Day Zero event
Soul Reaper 	 	Legendary	Soul Reaper The Keep
==Trivia==
===Call of Duty 4: Modern Warfare===
*The lower receiver of the M4A1 has "BLUE4" written in tape; the M16A4 shares these markings. "BLUE4" is a reference to BluFor, the opposite of OpFor, which is applied to all NATO forces. It also says, "Property of U.S. Government, Caliber 5.56mm, M4A1 Carbine" over the magazine well.
*When equipped with a Grenade Launcher, an unusuable leaf sight is attached onto the weapon's barrel.
*The M4A1's serial number is "L141583".
*The M4A1 has a foregrip in its first person model, but not its third person model.
*The texture for the right side of the gun is the same as the left side, meaning it lacks an ejection port, brass deflector, forward assist, magazine release button, and has two bolt releases and fire selectors. 
*Reloading the M4A1 Suppressed while there's still ammo in the magazine will give a different reload sound than the default weapon.
===Call of Duty: Modern Warfare 2===
*The M4A1 has a slightly different firing sound in the campaign than in multiplayer, similar to an M16A4's.
*The emblem received for getting 500 headshots with the M4A1 reads "M4 Carbine" instead of "M4A1."
*When equipped with FMJ, the M4A1's foregrip is invisible. This does not have any effect on gameplay, and the animations still assume the position of holding a foregrip.
*The Create-a-Class image also lacks the foregrip.
*Attaching an ACOG Scope to an M4A1 in multiplayer causes pickup text to change from "M4A1" to "M4 ACOG Sight."
*In the Museum, the M4A1 has a different pickup icon. With iron sights, its zoom level when aimed down the sights appears to be enhanced as if it has an ACOG scope.
*Equipping the Silencer on the M4A1 will cause the weapon viewmodel to remain static when aiming down the sight, as the iron sights remain aligned.
*The killfeed icon of the M4A1 is the same as the M4 Carbine from Call of Duty 4: Modern Warfare.
===Call of Duty: Modern Warfare: Mobilized===
*The M4A1 lacks the grip in its inventory icon.
===Call of Duty: Modern Warfare 3===
*In the pre-release trailer, M4A1 reused the skin from Call of Duty: Modern Warfare 2.
*In the 'Tango Down' multiplayer trailer the M4A1 can be seen with no foregrip when its being reloaded; however, the player still assumes the position of holding a foregrip.
*It has a unique reload animation at the start the level "Black Tuesday", when Frost pulls the charging handle after putting a fresh magazine into the gun.
*The HUD and the Create-A-Class icons lacked the grip at Call of Duty XP, but the grip was added in the retail game.
*When looking from third-person, the grenade launcher is not placed directly in front of the magazine, unlike in first-person.
*In "Black Tuesday", the player's starting M4A1 will have a different pickup icon. This icon has a Hybrid Sight on it instead of the default iron sights.
*At Call of Duty XP, the pick-up name was "M4" instead of M4A1.
===Call of Duty: Modern Warfare Remastered===
*The number "04" can be seen on the rifle stock. It is also seen on the opposite side of the weapon, however flipped.
*"PROPERTY OF U.S. GOVT. M4A1 CARBINE CAL 5.56MM S/N 90852390" can be seen engraved above the magazine. "RESTRICTED MILITARY/GOVERNMENT LAW ENFORCEMENT USE ONLY" can be seen engraved in the same location on the opposite side.
* "FOR MILITARY/LAW ENFORCEMENT USE ONLY" can be seen engraved in between the fire selector and the bolt release. The characteristic "BLUE4" insignia is also drawn over the engraving.
*"E523908" can be seen engraved underneath the rear iron sight.
*Similar to the Call of Duty 4 variant, equipping a Grenade Launcher on the M4 Carbine results in an unusable leaf sight being attached to the barrel.
*When mounting optics, the front sight is removed as usual. However, the front sight is still mounted in the third person view in the Campaign. Like several other Call of Duty games in recent years featuring AR-pattern rifles, the gas block is replaced with a low-profile one, instead of chopping off the entire gas block and gas tube, as was done with older games.
===Call of Duty: Modern Warfare===
*There are a number of markings on the M4A1:
**The upper receiver has the markings "FT WEAPONS SYSTEM". Markings on the lower receiver indicate that "FT" stands for "Forge Tac". "Forge Tac" markings appear on various other weapons in the game such as the .50 GS, as well as in the name of various weapon attachments.
**Additional lower receiver markings refer to the weapon as the "FS-15".
**"04" is written in blue on the lower receiver, likely referencing the "BLUE4" which appeared on the M4A1 in Call of Duty 4.
**An American flag with some smaller markings can be seen on the area above the charging handle.
*Pre-release footage of the M4A1 often shows the standard weapon variant outfitted with the handguard of the XRK M4 blueprint, something not possible in-game.
*On the "Monkey Business" blueprint, the fire selector has the markings "FUN", "BA-BOOM" and "GO BANANAS" on the safe, semi-auto and full-auto positions respectively.
*The "Fair Brass" blueprint's name is a nod to Craig Fairbrass, who provided the voice of Gaz in Call of Duty 4: Modern Warfare. Fairbrass also voiced Ghost and Wallcroft in Modern Warfare 2 and 3 respectively.
*The "XRK M4" blueprint has a unique variant of the M-16 Stock, reflecting that of the FORGE TAC Stalker.
===Call of Duty: Modern Warfare II===
*The M4 had different reloading and handling sounds during the Modern Warfare II Open Beta that were broadly similar to the M16 and FTac Recon. It was changed at launch to the current reloading and handling sounds, however, the old sounds appear to still be used in the campaign.
**The Fast Hands retention reload in multiplayer used the old reloading sounds until it was patched out at an unknown date.
*The serial number of the M4 is "P50915316".
**On the "Singularity" blueprint, the serial number of the M4 is "250295BC".
*On the left side of the receiver, the player can see a string of text that reads: Tempus Armament Inc., Los Angeles, California, USA. 
**The text on the Tempus Torrent marksman rifle, which states that Tempus Armament is located in Austin, Texas, is a reference to Infinity Ward's two studios, which are located in Los Angeles and Austin.
*On the opposite side of the receiver, the player can see a string of text that is similar to that on the SAKIN MG38: "RESTRICTED MILITARY/GOVERNMENT LAW ENFORCEMENT/ EXPORT USE ONLY. Alongside a QR Code, which leads to the Call Of Duty official website.
*"K1021" can be seen written on the magazine.
*The right side of the barrel has another serial number "L-114903"
*The "Flatline" blueprint is a reference to the NV4 and is also named after one of its variants.
==References==
ru:M4A1
pl:M4A1
Category:Call of Duty 4: Modern Warfare Assault Rifles
Category:Call of Duty 4: Modern Warfare (Mobile) Weapons
Category:Call of Duty: Modern Warfare 2 Assault Rifles
Category:Call of Duty: Modern Warfare: Mobilized Assault Rifles
Category:Modern Warfare 2: Ghost Assault Rifles
Category:Call of Duty: Modern Warfare 3 Assault Rifles
Category:Call of Duty: Modern Warfare 3: Defiance Assault Rifles
Category:Find Makarov Weapons
Category:Find Makarov: Operation Kingfish Weapons
Category:The Vet & The n00b Weapons
Category:Call of Duty: Black Ops II Cut Weapons
Category:Call of Duty Online Assault Rifles
Category:Call of Duty: Ghosts Cut Weapons
Category:Call of Duty: Heroes Assault Rifles
Category:Call of Duty: Modern Warfare Remastered Assault Rifles
Category:Call of Duty: Mobile Assault Rifles
Category:Call of Duty: Modern Warfare (2019) Assault Rifles
Category:Call of Duty: Modern Warfare II Assault Rifles
Category:Call of Duty: Modern Warfare III Assault Rifles