Gen 2 Improvements    Upper Tension Screw - Allows users to fine tune the fit of the upper and lower receiver through the use of a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver. This provides a tight fit with any standard AR15 upper receiver.    Increased Magwell Flare - Allows for easier insertion of magazines and provides a sleeker look. Includes:    Stripped AR15 Lower Receiver, Gen 2    Nylon tipped tensioning set screw

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