HAMMER

the part of a gun, released by pulling the trigger, that strikes against the firing pin (the part of a firearm that explodes the charge that forces the ammunition out of the gun barrel). —Ability Congress Approved Glossary

the part of a gun, released by pulling the trigger, that strikes against the firing pin (the part of a firearm that explodes the charge that forces the ammunition out of the gun barrel).the part of the firing mechanism of a gun that is released by the trigger so that it strikes the percussion cap (small paper or metal container holding a charge that explodes when struck) of a cartridge or pushes the firing pin and explodes the charge.