The 6-position dimpling jig is designed to allow you to easily dimple your own barrel. The 6 different, laser-marked spacing sets allow for a variety of gas blocks to be used. The jig will fit perfectly in any bench vise to allow easy dimpling. Spacing is to the center of the holes: .400, .420, .450, .460, .470, and .500.
Made from steel heat treated material.
(1) Alignment set screw
(1) Non-marring set screw