Price history at Monstrum
Price at Monstrum unchanged at $15.00 since Oct 9, 2026. Last checked Oct 13, 2026.
Product Description
Included: Barrel Nut, Castle Nut, Set Screw, Allen Wrench Used for full-sized free float quad rails and keymods measuring a diameter of x inches. Not for use with slim profile or M-LOK free float handguards.