MIL-G-45140B, MILITARY SPECIFICATION: GUN, SPOTTING, CALIBER .50: M8C (12 OCT 1976)

MIL-G-45140B, MILITARY SPECIFICATION: GUN, SPOTTING, CALIBER .50: M8C (12 OCT 1976)., This specification covers one type of caliber .50 gas operated, magazine fed, semiautomatic gun designed to assist the gunner in determining range of the target for 106mm recoilless rifles.