A mount for a telescopic sight that consists of a one piece base as opposed to a two piece base.
Archives: Glossary
Glossary custom post type
ONE PIECE SHOTSHELL
1. A shotshell component having the body and basewad as a single unit with a metallic cup. Sometimes called Unibody Shell. 2. A complete round of ammunition having the body and basewad as a single unit without a head of a different material.
ONE PIECE STOCK
A full length stock made from a single piece of wood. Includes both the butt and fore-end.
OPEN BREECH ACTION
An action in which the breech bolt is held open until the trigger is pulled.
MUZZLE JUMP
The generally upward motion of the muzzle of a firearm which occurs upon firing.
MUZZLE VELOCITY
The velocity of a projectile as it exits the muzzle of a firearm.
MUZZLE WAVE
The air that is compressed and moves out radially from the muzzle of a firearm after firing a projectile.
MUZZLE–BREAK
An electrical or optical device which signals the passage of shot or a projectile at the muzzle of a firearm.
MUZZLE LOADER
Firearm which can only be loaded with powder and projectile(s) through the muzzle or front end of a cylinder in the case of a muzzleloading revolver.
NATIONAL MATCH AMMUNITION
Ammunition produced for the American National Matches (at Camp Perry, Ohio) by appropriate government or commercial manufacturing facilities. Cartridges are usually, but not always, head-stamped “NM” for identification purposes.