Now available in Flat Dark Earth (FDE), JMT’s new Gen 2 Polymer 80% Lower Receiver ships with the included 80% jig for drilling your hammer, trigger, and safety lever, and cutting the fire control cavity for the LPK!
This ultra-light lower receiver is just as tough as a billet receiver, thanks to JMT’s upgrades and reinforcements. It’s easy to machine, yet JMT upgraded their polymer-fiber material to be tougher, stiffer, and stronger. It’s capable of handling high impacts, rapid fire, and high heat.
Mil-Spec & Parts Compatibility
This 80% receiver is 100% compatible with any mil-spec components you wish to install. Grab a standard AR-15 lower parts kit, drop-in trigger, standard buffer or pistol brace, upper assembly, and any grip to complete your lower!
- Extended upper fire control box sections.
- Upper left magazine well box section.
- Webbed magazine wells match Magpul mags.
- Extended bolt release roll pin posts.
- New JMT Gen2 logo markings.
No FFL is required to purchase this lower receiver. This polymer 80% lower receiver is not considered a firearm and is compliant with ATF receiver blank determinations (Gun Control Act of 1968). Not classified as a firearm as defined in 18 U.S.C. 921(a)(3).
Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or “assault weapons” (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.