The M60A1E4 was a conceptual variant that explored the use of many distant managed weapons, which include a 20mm gun as secondary armament. A mock-up of this design and style using the Type C turret was built. From the early nineteen nineties, Saco Defense tackled Navy Specific Warfare needs to https://hoytmachineguns.com/product/lot-416-auto-ordnance-1928-a22-class-iii-nfa-machine-gun/