Compatible Upgrade Optimus Defense Lower Receiver Jig "TiN" Coated Drill Bit Kit Because customers approached us looking

Because customers approached us looking for a more economical tooling

6 Pack    19/64" "TiN" Coated High Speed Steel Drill Bit

3/8" End Mill Finisher for Firing Pocket

5/32"  3/8" "TiN" coated high speed steel drill bits

Compatible with most lower receiver jigs

Compatible Upgrade Optimus Defense Lower Receiver Jig "TiN" Coated Drill Bit Kit Because customers approached us lookingAGT'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 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