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Drill Bit Kit - 1/4"- 3 Flute - 3/4" LOC - 4" OAL - ZrN Coated 80% AR15-AR10 Lower Receiver Jig End Mill

Compatible Upgrade Modulus Arms 80% AR-15 Lower Jig "TiN" Drill Bit Kit

$ 25.99

Our kits are a SIGNIFICANT UPGRADE  to any kits on the market

 "TiN" Coated high speed steel drill bits, custom cut to our specifications.

Modulus Arms Jig Tooling Kit
Replacement End Mills
Drill Bits

How to Build AR-15 & AR-10 .308 80% Lower Receiver Video's & Instruction Manuals



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