Letter: S

An industry term for rimfire ammunition loaded to a velocity level below high velocity ammunition of that type.

A member attached to and reciprocating with the breech block.

The part of a mechanism, normally found on slide action firearms that locks the forearm/slide mechanism in the forward position.

Device to retain slide in an open position.

A manual safety mechanism on a firearm that is operated by a longitudinal sliding motion.

A strap detachably fastened to a firearm to assist in carrying or to steady it during firing.

A dovetail-shaped metal part to occupy an unused dovetail slot.

A cleaning rod tip with a slot to hold a cleaning patch.

A single projectile fired from a shotgun. Also slang term for bullet after it has been fired from a firearm.

A process of determining the interior dimensions of a barrel or cylinder by measuring a deformable material which has been pressed through the bore.