Letter: S

A device for holding the head of a cartridge case in a reloading tool.

The disturbance of air surrounding and behind the bullet caused by a compression of the air column directly in front of the bullet.

A colloquial term used to describe the ability of a projectile to dissipate its kinetic energy effectively in a target.

1. A metallic adapter fastened to a trigger to widen the surface. 2. A metallic insert in the forearm of a side-by-side double barreled shotgun by which the forearm is attached to the barrels. Also called Fore-end Iron, Fore-end Plate.

Eye protection and sight improvement specifically designed for, and which should always be used, when shooting firearms.

The separation of the mouth end of a shotshell from the body when it is fired.

A type of 22 caliber rimfire cartridge.

A cartridge in which the bullet is seated below the specified minimum length.

Spherical pellets used in loading shotshells. Commonly formed from lead but may be made from steel or other material.

A wedging action of shot pellets in a tube causing a stoppage of flow in a shotshell loading operation.