Compatible Upgrade M1 Machining Lower Receiver Jig "TiN" Coated Drill Bit Kit to efficiently machine the mag

to efficiently machine the mag well from one side

No more ugly mismatches and hand blending

Don't be "FOOLED"  by our competition selling drill bits (with fancy names) coated with coatings not made for drilling in aluminum

Upgraded Lower Receiver Jig Tooling Kits

Compatible Upgrade M1 Machining Lower Receiver Jig "TiN" Coated Drill Bit Kit to efficiently machine the magOur jig tooling kits are a SIGNIFICANT UPGRADE to other tooling kits on the Market. "TiN" Coated high speed steel drill bits, custom cut to our specifications. Upgrade is compatible with M1 Machining and many more lower receiver jig drill bit kits. Replacement End Mills Replacement Drill Bits M1 Machining Lower Receiver Jig Tooling Kit