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. # D598,723