80% AR-15 Lowers

Start your AR-15 build with an 80% AR-15 Lower from Moriarti Armaments. Crafted from high-quality 7075-T6 aluminum, these 80% lowers allow you to legally build your own AR-15 without needing to go through an FFL dealer. Whether you're a seasoned DIY enthusiast or a first-time builder, these lowers offer the perfect foundation for creating a custom rifle tailored to your specifications.

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  • Anodized AR-15 80% Lower Receiver – MIL-SPEC 7075-T6 Forging
    Our anodized AR-15 80% lower receivers are designed with the DIY gunsmith in mind. Constructed from MIL-SPEC 7075-T6 forgings, these lower receivers offer unmatched durability and precision. They are perfectly compatible with 80% Lower AR-15 jigs, ensuring tight tolerances for an easy and accurate b..
    Our anodized AR-15 80% lower receivers are designed with the DIY gu...
    $64.95$99.95
  • AR-15 80% Anodized Billet Lower Receiver Combo Kit | Stock Kit & LPK for Custom Builds
    The AR-15 80% Anodized Billet Lower Receiver Combo Kit is the ultimate choice for gun enthusiasts and builders who want to create a custom AR-15. This combo kit includes all the essential parts you need for your lower receiver assembly, excluding the jig and machining tools.This 80% lower receiver k..
    The AR-15 80% Anodized Billet Lower Receiver Combo Kit is the ultim...
    $249.95
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  • AR-15 80% Lower and Upper Receivers Set | Black Anodized | USA Made
    AR-15 80% Lower and Upper Receivers Set | Black AnodizedThis AR-15 80% Lower and Upper Receivers Set is an excellent choice for those looking to build their AR-15 from the ground up. The set includes both the 80% machined lower receiver and the fully machined upper receiver, both black anodized for ..
    AR-15 80% Lower and Upper Receivers Set | Black AnodizedThis AR-15 ...
    $119.95$189.95
  • AR-15 80% lower receiver - Tungsten
    80% Receiver Restrictions: 80% Receivers are not legal in all areas of the U.S. Please be aware of your local laws before ordering.Orders shipping to NJ, CT, RI, MD, CA, NY, IL, DC, HI and WA containing prohibited 80% Receivers will be canceled and a 20% Restock Fee Assessed80% AR 15 lower receiver ..
    80% Receiver Restrictions: 80% Receivers are not legal in all areas...
    $129.95
  • M-16 Drilling Jig - New Frontier Armory for Full Auto Seer Hole Drilling | AR-15 Lower Receiver Tool
    The M-16 Drilling Jig by New Frontier Armory is an essential tool for anyone looking to properly align and drill the third hole for a full auto sear in an AR-15 style lower receiver. Designed for precision and durability, this jig allows you to accurately modify your lower receiver to accept full au..
    The M-16 Drilling Jig by New Frontier Armory is an essential tool f...
    $54.95
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