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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 Optimus Defense 80% AR-15 Lower Receiver Jig "TiN" Coated Drill Bit Kit

$ 33.99

AGT's Kits are A Significant Upgrade to all kits on the market

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

OptimusDefense.com compatible 80% AR-15 Lower Receiver Jig "TiN" / Bronze Oxide coated high speed steel drill bit kit. 100 % American Made. Simply the best drill bits.

Replacement End Mills
Replacement Drill Bits
Optimus Defense Lower Receiver Jig Tooling Kit 

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




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