The NSR Barrel Nut Wrench is a 1-1/4″ wrench adaptor for N6 NSR (AR-10) handguard installation. Please note: This wrench is also used to install a Gen4 N4 barrel nut.
— 3/8″ STEEL CONSTRUCTION
— ZINC PHOSPHATE FINISH
— ACCEPTS 3/8″ OR 1/2″ BREAKER BAR/SOCKET WRENCH
While customers can get many uses out of this wrench, it is designed to be a one time use item and should be inspected after each use