Patent ID: 7252038

Claim:
A method for operating an industrial ballistic tool to discharge a plurality of ammunition rounds, each having a case and a charge of propellant comprising: (a) providing a plurality of such ammunition rounds each comprising a zinc case and a non-metalic cover portion; (b) inserting a first such ammunition round into a chamber of the tool; (c) causing ignition of the charge of the first ammunition round; (d) inserting a second such ammunition round into the chamber; and (e) causing ignition of the charge of the second ammunition round so as to expel the spent case of the first ammunition round out of a muzzle of the tool at a muzzle kinetic energy, wherein ignition of the charge of the second ammunition round causes the severing of the non-metalic cover portion permitting a first portion of a non-metallic cover portion of the second ammunition round to separate from a remaining second portion and travel behind the spent case of the first ammunition round.