CHAMBER PRESSURE

That pressure created in the chamber of a firearm by the expanding propellant combustion gases. Normally measured by means of a piezoelectric pressure transducer or a copper crusher.

CHAMBER REAMER

One of a series of cutting tools used to form the chamber area of a barrel bore.

CHARGE

1. The amount, by weight, of a component of a cartridge (i.e., priming weight, propellant weight, shot weight.) 2. To load a firearm.

CHECKERING

A diamond-like pattern in the wood, plastic or metal components of a firearm for improving grip or ornamentation.

CHECKERING CRADLE

A frame having vertical end supports between which a gun stock may be held while its gripping surfaces are being checkered.

CHECKERING LINE COUNT

A method of expressing the size of the diamonds in a checkering pattern, expressed in lines per inch The higher the number, the finer the pattern; the lower the number, the coarser.

CHECKERING TOOLS

The tools used for cutting a checkering pattern in wooden stocks. May be hand or machine powered.

CHEEKPIECE

A raised part of the side of the stock of a shoulder-arm against which the shooter rests his face.

CARTRIDGE COOK-OFF

The firing of a cartridge by extreme overheating in a firearm chamber, without operation of the firing mechanism. Usually associated with machine guns.

CARTRIDGE GUIDE

A firearm component which acts as a guide for the cartridge while it is being fed from the magazine to the chamber.