GUARD SCREW

A screw that extends from the trigger guard into and through the stock.

GUN COTTON

Nitrated cellulose (either cotton linters, wood pulp or a mixture of the two) which is used for the manufacture of smokeless propellant. Chemical name – nitrocellulose.

GUN POWDER

A commonly used term for cartridge and muzzle loading propellant.

GUN ROOM

A room that is maintained for the purpose of keeping guns in storage, on display, or for repair.

HAIR TRIGGER

A slang term for a trigger requiring very low force to actuate. Sometimes used to describe the light pull of a second trigger in a double set trigger mechanism.

HALF COCK

The position of the hammer, when about half retracted and held by the sear, intended to prevent release of the hammer by a normal pull of the trigger. This can be the safety or loading position of many guns.

HALF COCK SAFETY

The position of the hammer, when about half retracted and held by the sear, intended to prevent release of the hammer by a normal pull of the trigger. This can be the safety or loading position of many guns.