Slide FireMil-Spec Conversion Kit - $59.99

Convert your AR-15s fixed stock to a six-position buffer extension for use with Slide Fire stocks. This kit contains everything you need to modify an A2-style AR-15 to accept a Slidef Fire unit. Includes a six-position mil-spec buffer tube, castle nut, carbine buffer, spring and ambidextrous S.P.A.D.E.. - $59.99