Missing Hole Milling Jig

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Is your lower receiver missing a hole for your fire control group? Fix the problem with this 3D printable milling jig. Fits most all milspec lower receivers. Easy to use. Simply place the jig on the lower as shown and drill out your missing hole with a .125 drill. We recommend checking your local regulations on adding this hole to your receiver before doing so. 


Requires .125 Drilll