Letter: B

The oscillations of a barrel as a result of firing.

The gradual mechanical deterioration caused by use, i.e. firing, cleaning, etc. Also, see Barrel Erosion.

A separate weight attached to a regular barrel to change balance.

The movement of the muzzle end of a barrel that occurs as the projectile leaves.

A shotgun, chambered for a specified gauge, whose barrel bore diameter is greater than the nominal specified for that gauge, but does not exceed SAAMI maximum.

The exposed metal strip at the rear of a pistol or revolver grip.

A structure intended to safely stop a fired bullet or other projectile(s).

The force exerted on the breech block by the head of the cartridge case during propellant burn.

A term generally used by the military for a cartridge with a full metal jacket or solid metal projectile (bullet).

Ball Powder is a registered trademark for propellant, owned by General Dynamics Ordnance and Tactical Systems, Inc. often misapplied to spherical propellants or flattened spherical propellants offered by other manufacturer.