AR 80 Lower Jig


AR15 Lower Receiver Jig


    AR15 & 308 top plates are interchangeable.

    Broken Arms AR15 Lower Receiver jig, tooling kit, and a drill press is all you need to turn your 80% receiver into a fully functional 100% AR15 receiver.  This jig also works with forged mil-spec forged lower receivers.

    • CNC machined
    • Hard anodized type III
    • Hardened drill bushings
    • Integrated depth chart
    • All parts are individually engraved with drill diameters and depths



    • 2) side plates
    • 5) top plates
    • 4) 1/4-20 x 3/4 screws
    • 2) 1/4-20 x 2 screws


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