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Premium 80% Lower Fire/Safe Marked Billet & 5D Tactical Jig w/ Tooling
$359.95 $294.99 (You save $64.96)
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80% Lower Jig Quick Reference

Watch the AR-15 5D Tactical Jig Tutorial (Video - 13:31)

Our new Premium Billet 80% Lower is our best 80% lower yet, and our 5D Tactical Jig is one of the easiest and most affordable 80% lower jigs available – so what have you got to lose? If you’re ready to build an AR-15 from scratch and you want to do it easily, for pennies on the dollar, look no further.

Our Premium Lower makes machining and assembly a breeze, thanks to some simple but innovative improvements to the AR’s original design:

  • Color: Anodized Black
  • 100% Mil-Spec
  • Quantity: 1
  • 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

Pairing our Premium Lower with the 5D Tactical 80% Lower Jig is a no-brainer. This easy-to-use jig is perfect for first-time builders and veteran gunsmiths alike. Universal, reusable, and guaranteed to provide fast and guesswork-free machining, the 5D Tactical Jig will allow you to go from a box of parts to a functional AR-15 in a single afternoon:

  • 100% compatible with any manufacturer's 80% lower
  • Completes 20+ 80% lowers
  • Completes 80% lowers in 45 minutes!
  • Drilling guide plates are constructed of solid aluminum
  • Built-in, high-speed bearing reduces end mill bit flex by 59% (compared to other jigs)
  • Jig mounts to lowers using the same exact contact points an upper receiver will attach to create the most accurate, true center fire control group area
  • Milling Guide Template Cavities on top plate guides and eliminates common fail points
  • Never buy another jig again; Each plate is individually replaceable
  • Does not require drill press, expensive mill or pricey drill depth guides

Drill bits included:

  • 3/8 inch drill bit
  • 5/16 inch drill bit
  • 5/32 inch drill bit
  • 3/8 inch stop collar
  • 5/16 inch end mill bit - custom, carbide 3-flute with ¼ inch shank (to fit into compact router)

Building our Premium Lower into a stripped AR-15 lower receiver requires no FFL or background check. It is 100% legal to buy, own, and use this kit build kit in all 50 states with no paperwork required. If you can legally own a gun, you can use this kit!

    Note: It is recommended that you have 1 end mill bit for every 3 80% lowers you plan to complete.

    No FFL is required to purchase this lower receiver. This billet 6061 aluminum 80% lower receiver is not considered a firearm and is compliant with the gun control act of 1968 not classified as a firearm as defined in 18 U.S.C. 921(a)(3).

    So, just how easy is it? Read the 5D Tactical instruction manual or watch the 5D Tactical how-to video.

    Feel free to check out our AR-15 5D Tactical Jig FAQs for any questions you may have

    No FFL Required Made In The USA Lifetime Warranty

    Product Videos

    AR-15 5D Tactical Jig Tutorial 13:31

    Premium 80% Lower Fire/Safe Marked Billet & 5D Tactical Jig w/ Tooling

    $359.95 $294.99 (You save $64.96)
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    Free Shipping on all orders $325+