• 2A PRO Version Gas Block drilling Jig A (0.750 Vltor/BCM/Old Ranier)

    There are only 2 items left in stock.

    The BRDE gas block PRO drilling jig A is used to drill Vltor, BCM and Older Rainier Arms 0.750" bore gas blocks for pinning.

    Cold rolled carbon steel
    Waterjet and CNC machined opening
    Manganese Phosphate finish
    #31 drill hole, 1 side with replaceable hardened insert
    Includes 1/4"-28tpi x 3/8" soft point set screw
    Includes one #31 jobber drill bit and 1/8" hex key


    Please email me for PDF instructions.