For example, the US Army and Marines now use the FN MAG (as the M240 machine gun), which is generally called the "M240 medium machine gun". It was originally adopted for vehicle mounting in the late 1970s, but its higher reliability resulted in the infantry adopting it for use over the M60 machine gun, despite it being several pounds heavier. They both have quick-detachable barrels, bipods in their light infantry model, tripod and pintle mount options for other models, and similar weight and size. The M60 was typically referred to either as a light machine gun or a general-purpose machine gun.