Fullbottle Buster

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The is the personal weapon of Kamen Rider Build's RabbitRabbit and TankTank Forms. He can also wield it in his Genius Form as well.
==Design==
The FullBottle Buster consists of the following parts:
*: An aiming sensor located on top of the blade. Not only is it used to help correct the user's aim during attack, but it can also be used to pinch, and possibly peel off the enemy's armor.
*: The slashing unit of the FullBottle Buster in Blade Mode. This is said to be able to cut through a Guardian Union, and has a chainsaw built into it for a boosted attack.
*: The grip of the weapon, not only can it be used to optimize attacks by recording and analyzing the user's habits and the enemy's behavior, but it can also be used to hit nearby enemies with its hammer-like end.
*: A secondary grip located at the back of the muzzle. It's job is also to suppress recoil during shooting attacks, and raising the hit rate. 
*: A red button used to discharge and release fullbottles.
*: The bombardment unit of the FullBottle Buster in Cannon Mode. Not only can it emit a heavy light and energy grenade that can erase the target, but it can also be customized according to the situation by adjusting the fire resistance, explosive power, caliber, etc. 
*: A long channel that can hold up to four FullBottles at the same time for special attacks. The contents of the bottles are taken into the weapon, and activates a deathblow with the strength depending on how many bottles are loaded.
*: A hinge for switching between blade and cannon modes that can be rotated simply by holding a button. 
*: The trigger of the weapon. When FullBottles are loaded, and the trigger is pulled, the deathblow will be initiated.
==History==
The Fullbottle Buster was designed by Sento along with the FullFull RabbitTank Bottle.
===Later History===
====Zi-O====
The Fullbottle Buster is one of many Legend Rider Weapons that could be summoned by Kamen Rider Zi-O after assuming GrandZi-O Form, he used it in a fight against Another Den-O. 
==Modes==
This weapon has two modes: the sword-like and the pump-action shotgun-like .
KRBu-Fullbottle Buster (Buster Blade Mode).png|Buster Blade Mode
KRBu-Fullbottle Buster (Buster Cannon Mode).png|Buster Cannon Mode
==Finishers==
By inserting up to four Fullbottles into the weapon's Quad Full Bottle Cylinder, it can activate special finishing moves:
== Gallery ==
Build summoning Fullbottle Buster.png|Build RabbitRabbit Form summoning Fullbottle Buster
==Notes==
*Interestingly, while Build's other weapons are announced by the voice of the Build Driver when summoned, in the Fullbottle Buster's first use in battle Sento announces its name himself. However, in subsequent appearances, it is announced by the Build Driver.
**Uniquely, it has finishers using more than just two trinkets at once.
*Although only informed within the official website, an actual Castle Lost Smash is said to have the firing strength equal to the Fullbottle Buster.
==Appearances==
==Navigation==
Category:Arsenal (Build)
Category:Rider Weapon
Category:Swords
Category:Guns
Category:Form-exclusive Weapons
Category:Dual Weapon
Category:Cannon