AR-15 Receiver Extension Castle Nut

AR-15 Receiver Extension Castle Nut

To securely lock an end plate for AR-15/M4 style lower receiver extension tubes.

Prop 65 Warning

In stock
+
Item Price: $5.00
Castle Nut
Overall Length:
1 3/8 inches
Assembled Weight:
19.2g
Made in the U.S.A.

To securely lock an end plate for AR-15/M4 style lower receiver extension tubes.

Prop 65 Warning