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.