6 Pack 1/2" Premium High Performance "TiN" Coated High Speed Steel Drill Bits Brownells Compatible 80% AR-15 Lower

Brownells Compatible 80% AR-15 Lower Receiver Jig Tooling Kit

Drill Bit Only Combo         SHOP HERE

As with all our tools we have taken the time to design each and every tool to meet and exceed customer expectations

5/16" and 3/8" high speed steel

3-3/4" Over All Length

6 Pack 1/2" Premium High Performance "TiN" Coated High Speed Steel Drill Bits Brownells Compatible 80% AR-15 LowerWhat is "TiN" Coating? Learn More! 6 Pack 1 4" "TiN" Coated High Speed Steel Drill Bit, 135 Deg Split Point, HSS, The Best High Performance drill bit for AR15 AR10 . 308 Lower Receiver Jigs. Drill bits were designed specifically for drilling aluminum.