Letter: I

A design in which the striker or hammer stops after hitting the firing-pin, requiring the firing-pin reach the primer under its own inertia.

A tool using impact to remove a bullet from a cartridge case.

1. A device intended to function during recoil to set the fire control mechanism to fire a second barrel. 2. A device intended to function during recoil to prevent doubling on some double barrel shotguns.

1. Usually a blank cartridge used in industrial applications such as stud drivers. Usually color coded to indicate power level. Also referred to as power tool cartridges and power actuated tool cartridges. 2. 8 Gauge industrial loads with single projectiles or buckshot used for cleaning continuous cement kilns and other industrial applications.

A firearm design incorporating it’s firing mechanism substantially in line with the longitudinal axis of the barrel. Ignition gases are typically induced concentric to the bore with this design.

A firearm is said to be “In Battery” when the breeching mechanism is in the proper position for firing.

The abbreviation for Improved Military Rifle Powder. A single base, tubular, smokeless propellant.

A heated die process which produces a carved effect in the gun stock or forearm.