shotgun (smooth-bore)

Portable firearm where the inside of the barrel has no grooves; it can shoot a number of lead, copper or nickel pellets at a time.

butt plate

Metal, rubber or plastic covering attached to the end of the stock to reinforce and protect it.

breechblock

Movable part that closes the chamber where the cartridges are loaded.

trigger

Device that is pressed to fire the weapon.

hammer

Part that triggers the shot by striking the firing pin, which in turn strikes the cartridge primer causing the powder charge to explode.

trigger guard

Metal piece covering and protecting the trigger.

pistol grip

Part used to grasp and aim the firearm.

stock

The bottom part of the gun that is used to hold and aim it.

front sight

Metal aiming device attached to the front of the barrel.

muzzle

Opening through which the projectile leaves the barrel.

ventilated rib

Strip with air holes for cooling the barrel of the shotgun.

barrel

Tubular part that guides the trajectory of the projectile.

forearm

Frame made of wood on which the barrel is fitted.