NcSTAR Pro Series AR Barrel Lower Receiver Wrench Tan. You can remove/install M4 castle nuts with ease with this AR wrench. The castle nut wrench slips over the castle nut and nearly encompasses the castle nut for a more secure fit when installing or removing the M4 castle nut. Makes for assembling/installing collapsible stock buffer tubes a super easy task. The other end of the wrench is for installing/removing A2 Rifle buffer tubes (“)”. 1/2″ and 3/8″ drive compatible for torquing your barrel nuts to the proper torque specifications. All the tools are Clearly Labeled. Hole at the end is for hang Steel Construction Length: 12.5″ Weight: 18 oz. US Patent Pending Specifications for NcSTAR Pro Series AR Barrel Lower Receiver Wrench: Manufacturer: NcSTAR Color: Tan Package Contents: NcSTAR Pro Series AR Barrel Lower Receiver Wrench NcSTAR VTARW4: Pro Series AR Barrel Lower Receiver Wrench Tan
Mission First Tactical AR-15 Battlelink Minimalist Stock Military For Mil Spec Size 1.148 Diameter Receiver Extensions Black Original price was: $64.00.$49.99Current price is: $49.99. 
Warne Browning BLR Bases Steel Receiver M838-838M - Matte Original price was: $41.99.$33.99Current price is: $33.99. 
NcSTAR Pro Series AR Barrel Lower Receiver Wrench Tan
Original price was: $42.99.$31.99Current price is: $31.99. 





