
Blank cartridge M355 is used for salutes and simulated fire.
This cartridge is composed of a single charge of sodium nitrate black powder assembled loose in a primed cartridge case. A plastic closing cup, slightly recessed in the mouth of the cartridge case, retains the loose propellant. Earlier models of this cartridge contain a bagged charge of potassium nitrate black powder.
Potassium nitrate black powder (1.25 lb, 0.56 kg) or sodium nitrate black powder (1.50 lb, 0.68 kg)
Primer - M70
Nothing else to see.
TM 9-1300-203, Artillery Ammunition (1967)