A blow back action that utilizes a sliding weight, usually made of a dense material such as tungsten, in conjunction with the breechblock to counteract the effect of the breechblock inertia and retard the cyclic rebound rate of the breech block.
Archives: Glossary
Glossary custom post type
COMBINATION GUN
A multiple barrel firearm designed to fire different calibers or types of ammunition.
COMBUSTION
The chemical reaction of a fuel and oxygen, usually initiated by a heat source. In the context of interior ballistics, the result of this reaction is gas and heat generation, increasing pressure in an enclosed space.
COMMERCIAL BRONZE
A copper alloy with a nominal composition of 90 percent copper and 10 percent zinc. “Commercial Bronze” is the trade name for the Copper Development Association, Inc. Alloy C22000. It is used in the manufacture of bullet jackets. See also “Gilding Metal.”
COMPENSATOR
A muzzle attachment or feature to redirect propellant gases with a goal of reducing muzzle lift.
CONFORMAL GAUGE
A design of piezoelectric transducer system in which the sensing end matches the internal curvature of the chamber.
CONFORMAL TRANSDUCER
A design of piezoelectric transducer system in which the sensing end matches the internal curvature and taper of the chamber.
COPPER CLAD STEEL
A laminated structure of copper and steel used for the manufacture of certain bullet jackets.
COPPER JACKETED BULLET
A bullet having an outer jacket of copper or copper alloy, and containing a lead alloy core.
CORROSIVE PRIMER
A priming mixture that contained compounds of chlorine and oxygen generally used in military ammunition made before 1952. The residues are hygroscopic and, therefore, promote rusting.