Letter: B

A split block of metal having one or more cavities into which molten lead is poured to form a bullet.

That distance which a bullet travels into the target material.

The force required to extract a bullet from the case into which it was loaded.

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.

Slippage or stripping occurs if the bullet fails to engage the rifling properly.

The rotational motion imparted to the bullet by the rifling in the barrel.

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

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