Archives: Glossary

Originally designed for law enforcement training, frangible ammunition’s projectile is designed to break up upon impact with hardened (e.g. AR500) steel into fragments small enough to prevent injury from ricochet/splash-back at typical practice distances. Ammunition loaded with frangible projectiles is sometimes referred to as “Reduced Hazard.”

A portion of the chamber, usually cylindrical, forward of the casemouth of a diameter larger than the projectile in which rifling is not present. See Bullet Jump. See Throat.

A target rifle stock used for position shooting matches. The word “free” refers to the fact that there are no restrictions on its configuration or weight.

A metallic ring surrounding the magazine tube to retard the opening velocity of a recoil operated shotgun.

Any form of sighting device at or near the muzzle of a firearm.

A cover to protect the front sight from damage.

The exposed metal strip at the front of a pistol or revolver grip.

The operation of reforming a fired cartridge case to approximately its original dimensions.

The operation of reforming a fired cartridge case to approximately its original dimensions.

A projectile in which the bullet jacket encloses most of the core with the exception of the base. Also called Full-Jacketed, Full Patch, Full Metal Case.