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AR15 80 Lower

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  • Sale
    80% Lower Fire/Safe Marked - Anodized Black 1 80% Lower Fire/Safe Marked - Anodized Black 2 80% Lower Fire/Safe Marked - Anodized Black 3 80% Lower Fire/Safe Marked - Anodized Black 4 80% Lower Fire/Safe Marked - Anodized Black 5

    80% Lower Fire/Safe Marked - Anodized Black

    Our famous, original forged 80% lower. It's the lower trusted by tens of thousands of AR builders. Proudly forged, cut, and anodized in the U.S.A., this 80 percent lower is the key to building your custom AR-15 truly from scratch. This receiver blank...

    Was: $74.99
    Now: $69.99
  • Sale
    80% Lower (1-pack) - Blemished 80% Lower (1-pack) - Blemished 80% Lower (1-pack) - Blemished 80% Lower (1-pack) - Blemished 80% Lower (1-pack) - Blemished

    Blemished - 80% Lower Fire/Safe Marked - Anodized Black

    Blemished 80% Lower: Minor scratches, perfectly functional. Sometimes, receivers get a ding or scratch -- it's just part of forging gun parts. We discount these cosmetically blemished 80% lowers to reflect these flaws. Each lower is 100% functional and...

    Was: $64.99
    Now: $59.99
  • 80% Lower Fire/Safe Marked - Raw 80% Lower Fire/Safe Marked - Raw 80% Lower Fire/Safe Marked - Raw 80% Lower Fire/Safe Marked - Raw 80% Lower Fire/Safe Marked - Raw

    80% Lower Fire/Safe Marked - Raw

    Our original forged 80% lower, now available uncoated. Our mil-spec forged lower's now available in raw aluminum, allowing you to more easily apply a custom camoflauge paint job, or other custom coating of your choice. Beyond its raw finish, this forged...

    $59.99
  • 80% Lower Patriot Pack AR-15 Forged Lower AR-15 Forged Lower AR-15 Forged Lower AR-9 Billet Lower

    80% Lower Patriot Pack

    Build all three ARs with one 80% lower combo kit. Originally chambered in 5.56 NATO and .223 remington, the AR has evolved to chamber different calibers, with upper and lower receivers redesigned to include the .308 AR-10, and the 9mm AR9. It can be hard...

    $254.99
  • AR 15 Lower Assembly | Lower Parts Kit | Butt Stock | Buffer Tube | FIRE/SAFE | Forged | 80% Lower 1 AR 15 Lower Assembly | Lower Parts Kit | Butt Stock | Buffer Tube | FIRE/SAFE | Forged | 80% Lower 2 AR 15 Lower Assembly | Lower Parts Kit | Butt Stock | Buffer Tube | FIRE/SAFE | Forged | 80% Lower 3 AR 15 Lower Assembly | Lower Parts Kit | Butt Stock | Buffer Tube | FIRE/SAFE | Forged | 80% Lower 4 AR 15 Lower Assembly | Lower Parts Kit | Butt Stock | Buffer Tube | FIRE/SAFE | Forged | 80% Lower 5

    Forged Fire/Safe Marked 80% Lower Assembly

    No AR-15 build is complete without a butt stock assembly – and this one comes with all you need: Black FIRE/SAFE engraved 80% lower, lower parts kit, butt stock, buffer tube assembly. One (1) Black FIRE/SAFE 80% Lower Receiver: FIRE/SAFE...

    $129.99
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The AR15 80 Lower is a crucial part of any AR15 build. An AR15 80% lower receiver provides you, the builder, with an opportunity to build a custom AR-15 rifle or pistol from the ground up, including by fabricating the firearm component (the stripped lower receiver) itself.

What is an AR-15 80% Lower?

When it comes to building an AR-15, only the stripped lower receiver is considered the firearm. This is the component you normally purchase from an FFL. An AR-15 80% lower is an unfinished stripped lower receiver that is not considered a firearm under federal law. That means you can purchase it directly, with no FFL, serial number, or paperwork required*. You must then fabricate your unfinished lower to make it a functional firearm. Then you can then assemble your lower into a finished AR-15 by purchasing an upper assembly and lower parts kit, or grab a complete AR build kit.

*State laws vary. Some states require all firearms to be serialized. Some states have banned 80% lowers.

AR15 80 Lowers Work With All AR Parts

There are countless AR-15 parts manufacturers on the market today. Like any stripped lower receiver, a fabricated AR-15 80% lower is compatible with all standard AR parts. They work with standard AR-15 uppers, lower parts kits, buffers and buffer tubes, and all other AR parts and accessories.

Ready to assemble your finished 80% lower? Here's how to install your lower parts kit.

State Laws May Vary

Some states have banned 80% lowers and certain firearm parts, or have otherwise restricted the sale and ownership of products we sell. So, be sure to check your local and state laws. We can’t ship our products to certain states. Please check our Shipping & Return Policy before placing an order (see restrictions).

Your custom AR-15 build awaits you!


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 80-Lower.com, 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.

We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.