The M60A1E4 was a conceptual variant that explored the usage of numerous remote managed weapons, which includes a 20mm gun as secondary armament. A mock-up of the design utilizing the Type C turret was constructed. Mobility is enhanced through both a full refurbishment of the existing power packs or an https://hoytmachineguns.com/product/sig-553-5-56x45mm-8-9-machinegun/