Upgraded Premium 80% AR15/AR10/.308 Lower Receiver Universal Drill Press Jig Tooling Kit

// AR15 / AR10/ .308 80% Lower ReceiverUniversal Drill Press Jig Tooling Kit Compatible with most universal 80% AR15 & AR10 .308 lower receiver jig tooling kits. Our Jig Tooling Kits are a SIGNIFICANT UPGRADE  to other tooling kits on the Market. Our End Mills have a unique geometry extending tool life. High performance flutes eliminates vibration and harmonics.This design allows heavy chip load per tooth for maximum material removal in aluminum. "ZrN" Coating for hardness and lubricity.What is "ZrN' Zirconium Nitride coating? CLICK HERE  to see what can it do for you! Replacement End MillsReplacement Drill BitsReplacement Drill Bit Kit How to Build AR-15 & AR-10 .308 80% Lower Receiver Video's & Instruction Manuals