The M240B is the US Army's version of the FN MAG 58, the standard infantry medium machine gun of the United States Armed Forces. Produced by FN Manufacturing in the US, it features the same operating system as the original MAG with US military standard accessories and furniture. The M240B replaced the M60 in US Army service. Type: Machine Gun Action: Semi/Full-Auto Caliber: 7.62x51mm Capacity: 100 Year introduced: 1977, Belgium Weight: 441.6 oz Overall length: 49" Status: Active Military use: Yes Intended use: military