Accu Wedge Buffer For AR-15 M-4 S&W M&P Rifles
Accu Wedge Buffer For AR-15 M-4 S&W; M&P; Rifles - This item will Instantly tightens loose upper & lower receivers. Will fit any AR15, M16 and M4 rifle, carbine or pistol. Fits near the takedown pin and keeps the upper receiver section snug and tight against the lower receiver. This products helps promote better accuracy by making the upper and lower receiver fit tighter and will also decreases vibration and prevents wear. Easy no gunsmith installation. Just open your upper receiver and drop this rubber wedge into the rear of the lower receiver behind the push pin. Brand New