How did you adapt for an m4 buttstock? I am waiting approval for an Mk760 and would like t ok eliminate ate the folding stock for something more rigid.View attachment 30948Why not purchase an Uzi or Sterling? S&W 76, Uzi, and Sterling are comparable prices. The Uzi and Sterling are proven competitive weapons with plenty of spare parts and accessories. We may have a supplier of parts soon at BWE Firearms, but spare parts for 76/760s are extremely scarce now. I own a 760 and like the platform with a few cosmetic changes. It is a work in progress.View attachment 30949