NcStar AR15 Armorer's Barrel Wrench Tool

Features: AR15 Armorer's Barrel Wrench. Combo tool with plenty of features to work upgrade your AR-15/ M4/ M16 Barrel Wrench for GI Barrel Nut A1 & A2 Flash Suppressor wrenchs Older Single Pin and the newer M4 Collapsable Stock Castle Nut wrenchs Flat Blade Screw Driver 1/2" Drive Ratchet Compatible Steel Construction Length: 12.7" Weight: 20.2 oz NcSTAR Patented Design: US Pat. # D598723