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Premium Black Billet 80% Lower with Fire/Safe Engraving (3-Pack) and Easy Jig GEN 2 with Tooling (for AR-15/LR-308/AR-9 Lowers)
$719.99 $529.99 (You save $190.00)
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Free Shipping on all orders $250+



Our top-of-the-line billet receivers to make the build easier for you. As opposed to our basic 80% lower, this premium lower offers a threaded bolt catch release hole, a threaded rear takedown detent hole, and an enhanced trigger guard. If you’ve ever built an AR from an 80% lower before, you know the frustration that the rear detent caused you. With our premium lower, you will be able to install your lower parts kit components with ease.

  • Billet 6061-T6 Aluminum
  • Anodized black finish for durability
  • Fire/Safe pre-engraved
  • Broached magwell for secure fit
  • Threaded bolt catch hole
  • Threaded rear takedown detent hole
  • Ships with screws and hex key for installation
  • Heavy-duty trigger guard
  • Made in the USA
Loved what you read about the Easy Jig GEN 2, but need the tools to go with it? Check out the Easy Jig GEN 2 and Tooling bundle! All of the features you love about the Easy Jig GEN 2, paired with drill bits to make your life easier. This kit includes all of the bits that you will need to complete your 80% lower receiver.

80% Arms introduced the Easy Jig GEN 1 over 3 years ago. Since that time, thousands of people have successfully used that jig, and recommended changes as they went. 80% Arms successfully used these 3 years to refine and improve their jig.

Enter Easy Jig GEN 2. Simply put, it’s the easiest and fastest 80% lower jig on the market. 80% Arms made some significant design changes, which resulted in a very improved product.

This jig is designed to be used and re-used with any 80% lower out there. It’s ease of use, speed, user-friendliness, and durability is unmatched by other jigs. 

Ease of Use

  • No drill press needed
  • Measuring guides built into the jig
  • Comes with written instructions and a link for video instructions
  • Keep your area clean and chips out of your face with the new Shop Vac buffer tube attachment
  • Jig uses buffer tube to center the lower in your jig


  • Most lowers can be completed in less than 30 minutes
  • Requires 90% less drilling than the competition
  • Lower can be inserted and removed within seconds
  • Jig does not have to be disassembled to remove the lower

100% Universal

  • Use and re-use with ANY 80% lower – AR-9, LR-308, AR-15
  • Easily change from one size jig to the next in seconds


  • Steel construction, to include the side plates
  • Improved router plate prevents end mill from touching jig, and prevents end mill flex

Easy Jig GEN 2 Tooling Included:


  • 3/8” drill bit
  • 5/32” drill bit
  • 21/64” drill bit
  • 5/16” carbide end mill bit


Note: We recommend that you change end mill bits every third lower receiver.

no-ffl-required.jpg made-in-the-usa.jpg lifetime-warranty.jpg

Premium Black Billet 80% Lower with Fire/Safe Engraving (3-Pack) and Easy Jig GEN 2 with Tooling (for AR-15/LR-308/AR-9 Lowers)

$719.99 $529.99 (You save $190.00)
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Free Shipping on all orders $250+


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