Compatible Upgrade M1 Machining 80% AR-15 Lower Receiver Jig Tooling Kit 308 lower receiver end mills

308 lower receiver  end mills

80 Percent Arms Compatible Upgrade

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

For CNC and Hand Milling of the Trigger Pocket on a  Lower

Check out our many "how to build" instructional Video's and Manuals

Compatible Upgrade M1 Machining 80% AR-15 Lower Receiver Jig Tooling Kit 308 lower receiver end millsOur Jig Tooling Kits are a SIGNIFICANT UPGRADE to other Tooling Kits on the Market. Upgraded AR15 AR10 . 308 80% Lower Receiver Jig Tooling Kit "3rd Generation ZrN" Coated Solid Carbide End Mills. All End Mills have a unique geometry, extending tool life. High performance flutes eliminating vibration and harmonics. This design allows heavy chip load per tooth, for maximum material removal in aluminum. "ZrN" Coating for hardness and lubricity What