More Views

M1-80% AR15 with M1-80% Universal Milling Jig

Be the first to review this product


Availability: Out of stock



Download Instructions PDF

M1 Machining is proud to announce the release of  M1-80% AR-15 Lower Receiver.  The M1 Machining .223/5.56 NATO 80% lower receiver is precision 3-D machined from solid Aerospace Billet 7075-T6 Aluminum to Military spec tolerances, finish options are; machine finished and Mil 8625 Type III. All that is left to do is machine the fire control pocket,  the trigger group and drill a few holes. Once complete you will have a fully functional M1 Machining .223/5.56 NATO lower receiver compatible with DPMS platform upper receivers. This is a top-tier AR-15 80% lower receiver perfect for any high quality AR-15 build.


• MIL-SPEC Type III hard coat anodized in Black or Raw

T6 Heat-Treated Aerospace 7075 Billet Aluminum

• Completed weight: 11 ounces

• Integral winter trigger-guard for added strength

• Flared magwell to improve mag changes.

M1 Machining official release of the Patent Pending Universal Milling Jig.  M1 Machining pushes the limits with innovative ways to make owning an AR15 80% Lower Receiver and DPMS AR10 LR 308 80% Lower Receiver more affordable to the end users.  Owning M1 Machining’s M1-80 Universal Jig eliminates you needing to purchase individual jigs for the AR15 and AR10 saving our customers time and money.  M1 Machining also sells plates individually just in case the user damages the Jig during the milling process.  M1 Machining’s Universal Milling Jig has many key features that make it stand out from the rest and makes us a top tier Manufacturing Company that is proud to say we are American Built!


-          Made from 6061-T6 Billet Aluminum

-          Comes with bolts and washers for easy assembly

-          One top plate to eliminate multiple plates and confusion

-          2 washers included for increased support and Jig longevity

-          Milling instructions included

-          Milling tools needed to complete lower receiver (added cost)

-          AMERICAN BUILT!


Because 80% Lowers are not considered firearms by the ATF, we can ship them right to your front door with no FFL required... but finished rifles must meet all applicable laws and you must be able to legally own a firearm. Compliance with all laws is YOUR responsibility. All sales are subject to our Returns and Cancellation Policy.



Write Your Own Review

You're reviewing: M1-80% AR15 with M1-80% Universal Milling Jig

How do you rate this product? *

  1 star 2 stars 3 stars 4 stars 5 stars
Customer Service

Product Tags

Use spaces to separate tags. Use single quotes (') for phrases.