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SKU: AR15-BLT-BLK-Fire-Safe-5pk_EP-EJ15_EP-EJTK


The all new Premium 80% Lower Fire/Safe Marked Billet has been redesigned with the builder in mind. The Premium 80% Billet has been upgraded and now offers a threaded bolt catch release hole as well as a threaded rear takedown detent hole. These advancements allow for simple and effortless install of your AR Lower parts kit components, now ending some of the most frustrating aspects of your 80% lower build. Each Premium 80% Lower Billet will also come with the needed screws and hex key for install. 

(5) Premium Black Fire/Safe Marked Billet 80% Lower Receiver:

  • Color: Anodized Black
  • 100% Mil-Spec
  • Quantity: 5
  • Fire/Safe Marked: Yes
  • Billet 6061-T6 Aluminum
  • Threaded Bolt Catch Hole
  • Threaded Rear Takedown Detent Hole
  • Screws and Hex Key
  • Broached Magwell
  • Enhanced, heavy duty trigger guard
  • 100% Made in the USA

80% Lower Easy Jig with Tooling:

  • Cut finish time in half
  • Can finish 20+ 80% lowers
  • Built-in drill bit depth guides
  • Each plate is individually replaceable
  • No drill press necessary (can use standard hand drill)
  • How-To videos and instruction manual
  • Included drill bits:
    • 3/8 drill bit (1)
    • 3/8 drill stop collar (1)
    • 5/32 drill bit (1)
    • 19/64 drill bit (1)
  • End mill bit included:
    • 1/4“ solid carbide end mill bit (1) - made with super short 0.75 in flutes for ideal performance

Note: If your plan is to build more than 2 lowers, we recommend purchasing an end mill bit for every two lowers, and have one extra end mill bit just in case.

Check out how the Easy 80% Lower Jig compares to the others in the 80% Lower Jig Comparison chart.

How much does this jig simplify the process? Read the Easy Jig instruction manual or watch the Easy Jig how-to video.

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Product Videos

80% Arms AR-15 Easy Jig Tutorial 20:12

This video is designed to provide an overview of the process of completing an 80% lower with the patented Easy Jig design. You can download the entire manual at this link: We offer a tool kit containing all the tools needed to finish the jig: If you have any questions, feel free to contact us. *We do NOT recommend using the Black and Decker router used in part of this video. After using it to complete a large number of lowers, it did not perform as well as other routers we tested. We provide model numbers to two inexpensive quality routers on our website. The Porter Cable router shown in this video works very well, we highly recommend it.

  • 80% Arms AR-15...
    This video is designed to provide an overview of the process o...

Premium Black 80% Lowers (5-Count) Billet Fire/Safe Engraved & Easy Jig Gen 1 with Tooling

$754.95 $619.95
(You save $135.00)
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  1. Excellant End Results! 5 Star Review

    Posted by on May 2nd 2017

    The billet receivers have the trigger gaurd built in and is designed for fingers wearing gloves. The easy jig is Rock Solid and practically impossible to mess up as long as you watch the video and can follow directions. All of the ones we have done are perfect! Very good feeling knowing you did your very own lower! Don't hesitate these are outstanding, good luck and happy shooting!

  2. 1st time 80% project 5 Star Review

    Posted by on Nov 16th 2016

    After assembling about 22 AR, I decided to try this. I bought a Dewalt router and extra end mill bit. The instructions are very concise and easy to follow. I just completed the trigger pocket milling process last night and plan to complete the lower next weekend. The billet lowers are more expensive than cast/forged and worth the cost. I plan to do more.

  3. Billet Lowers and milling kit 4 Star Review

    Posted by on Mar 29th 2016

    After a small issue of product availability AR-15LowerReceivers made good with me. There are not too many internet companies that will do that for customers. The billet lowers were of great quality and the milling kit is better than what I was expecting it to be. The milling kit is packaged very nice in its own box for re-use. I have been too impressed with this company not to be a return customer.

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