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AR receiver extension threading jig

3d printing custom guns 304.7KiB Jan. 15, 2023, 8:08 p.m.

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this is for holding the tap concentric on an ar15 receiver when cleaning up threads or doing an 80% from home.

i designed it specifically for the chonky boi receiver so it may require shims to line up a different receiver to the proper height. I recommend installing the mag catch first because it will allow the receiver to lock in place.

i recommend mounting it to a piece of wood to lock into a vice before using it.