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The Best 80 Lower Jig Combo Kits of 2019

The-Best-80-Lower-Jig-Combo-Kits-of-2019-Blog-Title-Image

You know you need two components to start your AR-15 build: An 80% lower, and an 80 lower jig. But which ones do you pick? How do you know they’re compatible? To make things easier, we’ve paired everything up so you can click once, and get the right stuff to start your project. Here are the best 80 lower jig combo kits available right now!

Easy Jig GEN 1 + Black 80% Lower Fire/Safe Engraved

Black 80% Lower Fire/Safe Engraved & Easy Jig Gen 1 with Tooling - Blog Photo #1
The Easy Jig GEN 1 helped create the 80% lower market. Now you can own it with a forged lower already included.

This is our O.G. Combo Kit and it’s loved by first-timers and pro builders alike. It’s one of our most affordable combo kits! The Easy Jig led the way in bringing the 80% lower to market, so it’s no surprise it continues to be one of our customers’ top picks:

Includes (1) Forged Black 80% Lower

  • Made of mil-spec 7075 aluminum
  • “FIRE”, “SAFE” come engraved
  • Broached mag well
  • Made in the USA
  • Lifetime Warranty

Includes Easy Jig GEN 1 with tooling

  • Completes lower in 30 minutes to 1 hour
  • Completes 20+ lowers with tooling
  • Individually replaceable plates
  • Requires no drill press!
  • Includes necessary tooling
  • Includes how-to video and guide

Ready to jump into building your first AR? If you want to do it with the most popular kit that made the whole thing a reality in the first place, this is it.

Polymer 80 AR-15 80% Lower + Jig Kit

Polymer 80 – AR-15 80% Lower Receiver and Jig Kit - Blog Photo #2
The polymer 80 lower has recently become a popular, ultra-light alternative to alloy lowers.

We included this kit in our “Top 80 Lower Jigs of 2019” guide because it’s a combo kit by default. It also qualifies here! The Polymer 80 Lower and Jig Kit is one of the first polymer options available. Once thought to be inadequate, the polymer 80 lower has become a popular choice among AR builders for a few reasons:

Includes (1) Polymer AR-15 80% Lower

  • Made from proprietary solid-core polymer
  • Weighs just 0.3 pounds!
  • Includes stiffened mag well
  • Reinforced buffer tube housing
  • Works with any 80 lower jig

Includes Polymer 80 Lower Jig

  • Completes lower in 15 to 30 minutes
  • Requires a Dremel and manual drill
  • Can be completed with hand files
  • Includes necessary tooling

The engineers at Polymer80 put a ton of time, testing, and effort into making sure their polymer lower was up to the task of hosting an AR-15 build. If you want an ultra-light rifle or pistol and you want the project to be as easy as possible, here’s our top pick. The included jig may not be reusable, but this Combo Kit costs less than some stand-alone 80% lowers!

5D Tactical Router Jig PRO Multi-Platform + Forged 80% Lower

5D Tactical Router Jig PRO Multi Platform & 80% Lower Fire/Safe (1-Pack) - Blog Photo #3
The Router Jig PRO is one of the best jigs on the market. If you want to build like a pro, this is it.

Maybe you want to get your feet wet with a first build, then you’ll jump into building loads of black rifles and pistols. Sound right? Then the 5D Tactical Router Jig PRO Combo Kit is the ticket. This is one of the best 80 lower jigs you can find. It’s the jig of choice for pro builders and true AR-15 fanatics.

Includes (1) Forged Black 80% Lower

  • Made of mil-spec 7075 aluminum
  • “FIRE”, “SAFE” come engraved
  • Broached mag well
  • Made in the USA
  • Lifetime Warranty

Includes 5D Tactical Router JIG PRO Multi-Platform with Tooling

  • Completes lower in 15 minutes!
  • Guaranteed to be 100% compatible with ALL lowers
  • Built-in steel drill bushings (no drill press required)
  • Heat-treated guide plates
  • Integrated drill depth guides
  • Includes patented ReadyMILL End Mill System

The Router Jig PRO spits out lowers in literally a few minutes, and its construction and features guarantee a perfect receiver comes out every time, with little effort. This is the jig you buy once and use forever. Check it out, and consider the new Patriot Pack to go along with it! The Patriot Back includes a forged AR-15, billet .308, and billet AR-9 80% lower — all compatible with the Router Jig PRO.


DISCLAIMER: If you are new to the world of DIY gun building, you likely have a lot of questions and rightfully so. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. At 80Lower Jigs, we are by no means providing this content on our website to serve as legal advice or legal counsel. We encourage each and every builder to perform their own research around their respective State laws as well as educating themselves on the Federal laws. When performing your own research, please be sure that you are getting your information from a reliable source.

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