
The cartridge XM639 is a training round which contains a propellant charge and inert projectile. The projectile is inert. It employs the same primer and brass cartridge case assembly as the high explosive round. It does not contain a fuze.
Propellant - IMR EX8261 (608 grains)
TM 9-1385-51, Ammunition (Conventional) for Explosive Ordnance Disposal (1967)