MIL-C-60666 (NOTICE 1), MILITARY SPECIFICATION: CARTRIDGE, CALIBER .50 ARMOR-PIERCING, M2 (25 MAR 1974) [S/S BY MIL-C-3066]

MIL-C-60666 (NOTICE 1), MILITARY SPECIFICATION: CARTRIDGE, CALIBER .50 ARMOR-PIERCING, M2 (25 MAR 1974) [S/S BY MIL-C-3066]., This specification covers Cartridge, Caliber .50, Armor-Piercing, M2 for use in Caliber .50 weapons.