List of Weapons Used by United States Armed Forces

==Handguns==
===In Service===
Weapon 	Caliber 	Capacity 	Service Years	Designation	Used By
SIG Sauer P320 	9x19mm · .45 ACP	10 · 17 · 21	2017-present 	M17 · M18 	All Services
HK45CT 	.45 ACP 	10 	2010-present 	MK 24 Mod 0	NSWC
Mark 23 	.45 ACP 	12 	1996-present 	MK 23 Mod 0	SOCOM
Beretta 92
*M9
*M9A1	9x19mm 	
*15
*15 · 17	
*1985-present
*2006-present	
*M9
*M9A1 	
*All Services
*Marines
SIG Sauer P220
*P226
*P229
*P228
*P239	
*9x19mm
*.40 S&W
*9x19
*.40 S&W	
*15
*12
*13 · 15
*7	
*1984-present
*1992-present
*1993-present
*1996-present	
*MK25 Mod 0
*P229
*M11
*P239	
*NSWC
*Coast Guard · CGIS · NCIS
*Army · Air Force · CID · NCIS
*NCIS · CGIS
Glock
*Glock 17
*Glock 22
*Glock 26
*Glock 19	
*9x19mm
*.40 S&W
*9x19mm
*9x19mm	
*17
*15
*10 · 12
*15 · 17	
*1983-present
*1990-present
*1995-present
*2015-present	
*MK 28 Mod 0
*Glock 22
*MK 26 Mod 0
*MK 27 Mod 0	
*SOCOM
*Delta Force
*NSWC
*SOCOM · Air Force · Marines
M1911
*M1911A1
*MEU(SOC)
*Kimber ICQB
*Colt Rail Gun	.45 ACP 	
*7
*7
*8
*7	
*1924-present
*1986-present
*2003-present
*2012-present	
*M1911A1
*M45 MEU(SOC)
*Kimber ICQB
*M45A1 CQBP	
*MARSOC · Delta
*MARSOC · Marines
*MARSOC
*MARSOC
Heckler & Koch P11	7.62x36mm 	5 	1976-present 	P11 	SOCOM
===Out of Service===
Weapon 	Caliber 	Capacity	Service Years	Designation 	Used By
Browning Hi-Power	9x19mm 	13 	1964-1974 	Browning Hi-Power 	Special Forces
Welrod 	.32 ACP 	8 	1964-1974 	.32 Firing Mechanism	MACV-SOG
Smith & Wesson 39	9x19mm 	8 · 14 	1955-1975 	MK 22 Mod 0 	Navy · SEALs · NSWC
M1903 	.32 ACP 	8 	1939-1974 	Model 1903 	Army · Air Force · OSS
M1917 	.45 ACP 	6 	1917-1954 	M1917 	Marines · Army · MACV-SOG
M1911
*M1911
*M15	.45 ACP 	
*7
*7 	
*1911-1924
*1972-1981	
*M1911
*M15 	
*All Services
*Army
Smith & Wesson 3 	.45 Schofield	6 	1875-1895 	Schofield 	Army
==Shotguns==
===In Service===
Weapon 	Caliber 	Capacity	Service Years	Designation	Used By
Benelli M4 	12 Gauge	4 · 7 	1999-present 	M1014 	Marines · SEALs · Army
Mossberg 500
* 500
* 590
* 590A1	12 Gauge	
* 5 · 8
* 5 · 8
* 5 · 8	
* 1987-present
* 1987-present
* 2004-present	
* M500
* M590
* M590A1	
* All Services
* Army
* Navy · Army
Remington 870	12 Gauge	4 · 7 	1951-present 	M870 	All Services
===Out of Service===
Weapon 	Caliber 	Capacity	Service Years	Designation	Used By
Winchester 1200 	12 Gauge	6 	1968-1982 	Model 1200 	Army
Ithaca 37 	12 Gauge	4 	1942-1982 	M37 	Marines
Remington Model 10 	12 Gauge	6 	1908-1929 	Model 10 	Marines
Browning Auto-5 	12 Gauge	5 	1905-1950 	Model 11 	All Services
Winchester Model 1897	12 Gauge	5 	1899-1974 	M97 	All Services
==Submachine Guns==
===In Service===
Weapon 	Caliber	Capacity	Service Years	Designation 	Used By
Heckler & Koch MP5
* MP5A3
* MP5SD
* MP5K
* MP5N	9x19mm 	
* 30
* 15 · 30
* 30
* 30	
* 1970-present
* 1974-present
* 1976-present
* 1986-present	
* MP5A3
* MP5SD
* MP5K
* MP5N	
* SOCOM
* SOCOM
* SOCOM · Navy
* Navy · Marines
Colt 9mm	9mm 	32 	1982-present 	RO635 	Marines
APC9 	9x19mm 	30 	2019-present 	Sub Compact Weapon	Army · Military Police · Air Force
===Out of Service===
Weapon 	Caliber	Capacity 	Service Years	Designation	Used By
Thompson
* M1921
* M1928
* M1A1	.45 ACP	
* 20 · 50
* 20 · 30 · 50
* 20 · 30	
* 1926-1938
* 1938-1932
* 1942-1971	
* M1921
* M1928
* M1A1	
* Marines
* Marines · Army · Navy
* Marines · Army
M3 Grease Gun 	.45 ACP	30 	1942-1992 	M3 	All Services
Carl Gustaf m/45	9x19mm 	36 	1948-1966 	Swedish K 	MACV-SOG · Navy SEALs
Beretta M12 	9x19mm 	20 · 30 · 40	1964-1974 	M12 	Marines
Sten MK IIS 	9x19mm 	32 	1964-1974 	Sten 	MACV-SOG
Uzi 	9x19mm 	32 	1964-2001 	Uzi 	MACV-SOG · Delta Force · MARSOC
MAC-10 	.45 ACP	30 	1970-1994 	M10 	LRRP · Navy · SEALs · MACV-SOG · Delta Force
Walther MP 	9x19mm 	32 	1980 	MPL 	Delta Force
==Rifles==
===In Service===
Weapon	Caliber 	Capacity	Service Years	Designation	Used By
SIG Sauer MCX
* Spear
* Rattler	
* 6.8x51mm
* 5.56x45mm	
* 30
* 30	
* 2022-present
* 2023-present	
* XM7 · XM5
* RSAR	
* All Services
* SOCOM
FN SCAR
* SCAR-H
* SCAR-L	
* 7.62x51mm
* 5.56x45mm	
* 20 · 30
* 30	
* 2009-present
* 2009-present	
* MK 17 Mod 0
* MK 16 Mod 0	
* SOCOM
* Rangers
Heckler & Koch HK416
* HK416
* M27 IAR
* HK416C	5.56x45mm	
* 30
* 30
* 30	
* 2004-present
* 2010-present
* 2011-present	
* HK416
* M27
* HK416C	
* JSOC
* Marines
* Air Force
M4 Carbine
* M4
* M4A1
* CQBR	5.56x45mm	
* 30
* 30
* 30	
* 1994-present
* 1994-present
* 2000-present	
* M4
* M4A1
* MK 18 Mod 0	
* All Services
* SOCOM · Army · Marines
* SOCOM · NCIS · Coast Guard · Navy
M16 Rifle
* M16A2
* M16A3
* M16A4	5.56x45mm	
* 30
* 30
* 30	
* 1983-present
* 1991-present
* 1998-present	
* M16A2
* M16A3
* M16A4	
* Navy · Air Force · Coast Guard · Army
* Navy · SEALs
* All Services
===Out of Service===
Weapon	Caliber	Capacity	Service Years	Designation	Used By
 	 	 	 	 	
 	 	 	 	 	
 	 	 	 	 	
==Machine Guns==
===In Service===
Weapon	Caliber	Capacity	Service Years	Designation	Used By
 	 	 	 	 	
 	 	 	 	 	
 	 	 	 	 	
===Out of Service===
Weapon	Caliber	Capacity	Service Years	Designation	Used By
 	 	 	 	 	
 	 	 	 	 	
 	 	 	 	 	
== See Also ==
* List of Weapons Used by French Armed Forces
* List of Weapons Used by German Armed Forces
* List of Weapons Used by Russian Armed Forces
* List of Weapons Used by British Armed Forces