Two hex bits for installing the bolt carrier key socket head screws, plus an adapter that will connect the Carrier Key Bits to the 3/8" Drive Torque Wrench. Small and large bits handle both early and late guns. Mfg: Brownells SPECS: Heat-treated steel. 185-2 Bit – 1/8" (3.2mm) hex bit. 185-10 Bit – 9/64" (3.6mm) hex bit. 1" (2.5cm) long. Adapter – Heat-treated steel with retention clip adapts 3/8" square drive to accept 1/4" shank hex bits.
