9mm M1041 Practice Ammunition Cartridges manufactured to meet Military performance Specification (PSPEC) MIL-PRF-32312 and Drawing Number 13008817, for use with the U.S. Army qualified CCMCK weapon co... 9mm M1041 Practice Ammunition Cartridges manufactured to meet Military performance Specification (PSPEC) MIL-PRF-32312 and Drawing Number 13008817, for use with the U.S. Army qualified CCMCK weapon conversion system for the M9 and M11, and for the CCMCK Simunition Upper Receiver Conversion Kit system for the M4 Carbine.