The greatest vertical distance between any two bullet holes on a target, normally measured center-to-center.
Archives: Glossary
Glossary custom post type
WAD COLUMN
The wads between propellant and shot pellets in a specific shotshell.
WAD CUTTER
A device for cutting wads from sheet stock.
WAD PRESSURE
The force applied to a wad column as it is seated firmly against the propellant.
WADCUTTER BULLET
A generally cylindrical bullet design having a sharp shouldered nose intended to cut target paper cleanly to facilitate easy and accurate scoring.
WALKING BARREL
A gun barrel which changes its center-of-impact point when heated by firing.
WARMING SHOTS
Preliminary shots before firing for velocity, pressure, accuracy, etc.
WATER TABLE
The flat portion of the frame on break-open firearms which extends forward from and is approximately at right angles to the standing breech face. It is the surface on which the barrel flats rest when the gun is closed.
TRIP
A part of the mechanism of some firearms which is released by the action of the trigger.
TRIPLE BASE POWDER
A propellant composed of colloided nitrocellulose, nitroglycerine and nitroguanidine. Generally used in large caliber military ammunition.