Bolt gun or boltgun may refer to: Captive bolt pistol, a device used for stunning animals before slaughter Crossbow, a ranged weapon that shoots projectiles called bolts A firearm with a bolt action A fictional heavy caliber firearm used by Space Marines in the Warhammer 40,000 universe Warhammer 40,000: Boltgun, a 2023 video game set in the Warhammer 40,000 universe