5 in a pack 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 no gunsmith installation. Just open your upper receiver and drop this rubber wedge into the rear of the lower receiver behind the push pin.