1 Pack of (5 pcs) ACU1 AR15/M16 Rubber Accu-Wedges, for AR15 style weapons

Pack of (5 pcs) ACU1 AR15 M16 Rubber Accu-Wedge Receiver Buffer for AR15 style weapons.

Helps tighten up excess clearances between lower and upper, snubs movements.

Material :Rubber Type:5Pcs Wedge Receiver Buffer

1.Useful for reducing the amount of movement between the upper and lower receiver on an AR15.

2.Large enough so you can trim to fit, if needed.

This item will Instantly tightens loose upper & lower receivers. Fits near the take down 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 installation. Just open your upper receiver and drop this rubber wedge into the rear of the lower receiver behind the push pin.