WUNDHAMMER SWELL (BULGE)

A bulge or swelling in the pistol grip of a stock to fit the palm of the trigger hand. Named after inventor Louis Wundhammer.

WITNESS MARK

A line on each of two mating parts used to indicate proper alignment. Also known as Draw-Line or Index Mark.

WHELEN STOCK

A rifle stock developed by Colonel Townsend Whelen which features a forward sloping comb and cheekpiece.

WINDAGE MICROMETER

A micrometer type device found on some iron and telescopic sights which allows the shooter to make precision adjustments to the horizontal setting.

WIND DRIFT

The deviation from the expected flight path of a bullet due to the forces of wind.

WAX BULLET

A bullet made from paraffin and other wax preparation, usually for short range indoor target shooting.

WINDAGE ADJUSTMENT

The transverse movement of a sight to compensate for the horizontal displacement of a bullet or bullets from the aiming point.

WING SAFETY

A manual safety found on some bolt action rifles, usually mounted at the rear of the bolt assembly, which pivots in an arc at right angles to the bore line.

X-RING

A circle inside the highest scoring ring on a target, used to break ties in shooting matches. The shooter with the most X-Ring hits wins.

WALKING BARREL

A gun barrel which changes its center-of-impact point when heated by firing.