The M60A1E4 was a conceptual variant that explored the usage of several distant controlled weapons, like a 20mm gun as secondary armament. A mock-up of the style using the Type C turret was created. Fitted that has a ventilated barrel shroud and ribbed artificial forearm, pistol grip, and buttstock that https://hoytmachineguns.com/product/paws-inc-m-16-registered-receiver-with-extras/