BULLET PULLER

1. An instrument that measures the force required to extract a bullet from live ammunition. 2. A tool used to remove bullets from live ammunition.

BUTTON RIFLING

A process wherein a hardened steel disc or button with a rifling cross section configuration is pushed or pulled through a drilled and reamed barrel so as to cold form the rifling grooves to the desired depth and twist.

BULLET SPINNER

A mechanical device used to detect the amount of eccentricity in a bullet between its rotational axis and the outer surface of the bullet.

BULLET SPLASH

The spatter and fragmentation of a bullet upon impacting a hard surface.

BULLET STABILIZATION

The principal to account for the steadiness of flight conferred upon an elongated projectile.

BULLET TIPPING

The instability of a bullet in flight in which the point of the bullet is not aligned with the direction of flight.