NcStar TARW Armorer's Barrel Wrench Black Steel AR15/M4/M16
AR15 Armorer's Barrel Wrench combo tool with plenty of features to work/upgrade your AR15/M4/M16. Features- Barrel Wrench for GI Barrel Nut, A1 & A2 Flash Suppressor wrench, older single pin and the newer M4 Collapsable Stock Castle Nut wrench, flat blade screwdriver, 1/2" Drive Ratchet Compatible.