Compatible Upgrade M1 Machining Lower Receiver Jig "TiN" Coated Drill Bit Kit Don't be "FOOLED" by our

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

Featuring proprietary "F23" coating and 100% American Solid Carbide

No more ugly mismatches and hand blending

Compatible Upgrade M1 Machining Lower Receiver Jig "TiN" Coated Drill Bit Kit Don't be "FOOLED" by ourOur 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