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80% Lower Jig

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80% Lower Jig

The 80 lower jig makes building your very own AR-15 stripped lower receiver a breeze. Requiring little mechanical knowledge. While only 20% of your new lower needs machining to make it functional, those last few milling and drilling steps require serious precision to make your lower reliable and safe.
Every 80 lower jig we sell is specifically designed for the AR-15 platform and guarantees your final lower will be cut and drilled to the specifications required for a standard lower parts kit and reliable functionality. Each 80 lower jig is easy to use and requires less than two hours of work to set up and use! Every 80 lower jig available is made in the USA and features hardened metal surfaces for worry-free milling and drilling. The best part? Each 80 lower jig is reusable and will allow you to save serious cash in the long run by making your own lowers for every black rifle or pistol you build!
The 80 lower jig is not regulated nor restricted by any government regulations or laws. Owning and operating one and completing an 80 percent lower is 100% legal in all 50 states. Your new lower will be a functional firearm, but it won’t require any FFL paperwork, transfer fees, or background check.
Benefits of an 80 Lower Jig:

Benefits of an 80 Lower Jig:

  • Each includes step-by-step instructions
  • Requires little to no mechanical knowledge
  • Compatible with most compact hand routers
  • Proudly made in the USA
  • Reusable and modular – replacement parts available!
  • An affordable way to build quality AR-15 lowers repeatedly


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