Archives: Glossary

A type of checkering tool.

A type of open, rear sight having more than one folding leaves. It may also have one fixed leaf.

A descriptive term for the post-impact profile of a bullet that is designed to expand upon striking a target.

A bullet that has expanded upon impact into a mushroom-like shape.

The act of expansion of a bullet upon impact with a target.

Military firearm with long barrel and fore-end or forearm extending nearly to muzzle.

The ignition source for most military muzzle loading rifles of the Civil War era, usually consisting of a copper alloy cup containing the priming mix. They are larger than percussion caps and typically incorporate a continuous or segmented flanges (Wings) at the cup mouth for ease of handling.

The end of a gun barrel from which the bullet or shot emerges.

The resultant noise that occurs at the muzzle of a firearm when the projectile leaves the muzzle and hot gases are released.

A muzzle attachment or feature that uses the propellant combustion gas with the desired effect of redirecting the recoil.