GLOSSARY | A - C | D - F | G - I | J - L | M - O | P - S | T - V | W - Z
A term used to identify most shotgun bores, with the exception of the .410 shotgun. It relates to the number of bore diameter lead balls weighing one pound. Note: the .410 shotgun is a caliber. The .410 refers to the diameter of the barrel.
- 10 gauge - .775 inch
- 12 gauge - .730 inch
- 16 gauge - .670 inch
- 20 gauge - .615 inch
- 28 gauge - .550 inch
- 67 gauge - .410 inch
A series of shots fired at the target used to adjust the sights or determine the accuracy of a firearm.
The position of the hammer about half retracted and intended to prevent release of the hammer by a normal pull of the trigger.
The part of the firing mechanism that strikes the firing pin, which, in turn, strikes the primer.
A firearm having an internal hammer or striker.