A firearm, usually a handgun, with a cylinder having several chambers so arranged as to rotate around an axis and be discharged successively by the same firing mechanism through a common barrel.
A circumferential bulge in a barrel typically caused by firing into an obstructed bore. See also Bulged Barrel.
A raised surface used as a sighting plane. Ribs may be either solid or ventilated. See Ventilated Rib.
The protrusion of a rib beyond the breech end of a barrel.
The glancing rebound of a projectile after impact.
A firearm having spiral features in the bore to impart spin to a single projectile and designed to be fired from the shoulder.
A projectile with spiral features and a hollow base, intended for use in smoothbore shotguns.
Any type of spiral internal bore feature of the barrel wall that imparts spin on the projectile for the purpose of stabilizing it in flight. This may be a series of lands and grooves, polygonal, hexagonal, or other configurations.
A tool having a series of cutting edges of progressively increasing height used to cut the spiral features in a rifled barrel.
That part of the hook or cut rifling tooling that holds the cutter and the mechanism for deepening the cut as the operation progresses.