CRISP TRIGGER

A trigger that releases without sensible movement.

CROSS BOLT SAFETY

A type of manual firearm safety operated by a lateral force on a button usually located in the trigger guard. Also called Push-Button Safety.

CROSSBOLT

1. A transverse operating type of lock used in some break-open type firearms (sometimes called a “Greener Crossbolt”). 2. A device intended to prevent stock splitting due to recoil. 3. A form of manual safety which operates transversely to prevent or permit firing of a gun.

CROTCH FIGURE

The generally irregular grain pattern common to a stock blank cut from the crotch of a tree.

CROWN

A feature on the muzzle of the barrel that is concentric and perpendicular to the bore axis. The purpose is to promote accuracy and protect the rifling at the muzzle.

CRUSHER

A calibrated metallic cylinder that, when used in conjunction with specific associated equipment, measures chamber pressure or firing pin indent.

CUP (COPPER UNIT OF PRESSURE)

A pressure value determined by means of copper crusher cylinders using SAAMI recommended procedures and equipment.

CUP SPLIT

A longitudinal split in the sidewall of the brass or steel cup assembled on a plastic or paper shotshell.

CHERRY

A tool used to cut the precise bullet configuration into the two halves of a bullet mold.