Description
Proper Headspacing, Caliber .50 M2 Browning Machine Gun. By the AC Spark Plug Division, General Motors Corporation, Frigidaire Division. Printed January 1943.
Proper Headspacing, Caliber .50 M2 Browning Machine Gun. By the AC Spark Plug Division, General Motors Corporation, Frigidaire Division. Printed January 1943.