It will instantly tighten loose upper and lower receivers.
Fit near the take down pin and keep the upper receiver section snug and tight against the lower receiver.
Help promote better accuracy by making the upper and lower receiver tight and will also decrease vibration and wearproof.
Easy to install and use.
Open your upper receiver and drop this rubber wedge into the rear of the lower receiver behind the push pin.
Type: Tactical Tools
Size: One Size
Quantity: 50 Pcs (10 Pack)
Note: 1, Please allow 0-1cm error due to manual measurement.
2, This is pre-order item, ship time will delay about 2-3 days.