Kns Stock Adapter W/flange - Ar Buffer To Picatinny Rail

Kns stock adapter w/flange ar buffer to picatinny rail
Other Features: Ar buffer to picatinny rail adapter kit with flange.For use with buffer-less systems that require a take down pin spring or detent allows user to mount a picatinny style stock attachment such as the sig mpx folding stock or brace in place of an ar buffer tube