U.S. Military 50cal MACHINE GUN Barrel Comparison: M3AC M2HB M2WC M85CA #army #navy #airforce #gun
This video provides an expert comparison of four distinct .50 caliber machine gun barrels: the M3AC (aircraft, high cyclic rate, air-cooled), the M2HB (ground mount, lower cyclic rate), the M2WC (ground/naval, sustained fire, water-cooled), and the M85CA (General Electric design, selectable rate, used on M60 tanks). The instructor highlights key differences in application, cooling, and performance.











