Archives: Glossary

A device attached to the muzzle of a firearm to reduce the noise of discharge. Sometimes called a silencer.

A bullet that has been completely formed by impacting the bullet material into a die.

A shotgun barrel constriction which has been formed at or near the muzzle by the use of dies or hammers.

That part of a swivel which is in the form of an elongated loop and to which a sling or carrying strap is passed through or otherwise attached.

A metallic loop to which the sling is attached.

The fixed vertical face of a frame, typical of a break-open firearm, which contains the striker(s) or firing pin(s).

A type of closure of the mouth of a metallic case or shotshell in which the sidewalls are folded in a star-shaped pattern.

A measuring instrument for determining internal diameters, often used to measure the inside diameter of a gun barrel.

A projection at the end of a mainspring which fits into the lock plate of a side lock action gun.

Plated or clad steel is sometimes used as a substitute for gilding metal or copper in bullet jacket material.