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  • 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 - 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: $54.99
  • Sale
    Magpul® Flip-Up Sight - Front Magpul® Flip-Up Sight - Front

    Magpul® Flip-Up Sight - Front

    MagPul has been a staple among weapon owners for years, and these MagPul AR-15 Front Flip-Up Sights are following that tradition of high-quality products. These MBUS sights will easily fit onto most AR-15 or M16 Picatinny rail platforms. These Flip-Up...

    Was: $36.99
    Now: $27.97
  • Sale
    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...

    Was: $148.96
    Now: $129.99
  • Sale
    Flip-Up Mini AR-15 Front & Rear Iron Sights Flip-Up Mini AR-15 Front & Rear Iron Sights

    Flip-Up Mini AR-15 Front & Rear Iron Sights

    Want a pair of bomb-proof, rugged iron sights? Don’t want to spend an arm and a leg? Check out our mini flip-up front and rear sights! These little irons are machined from billet 6061 T6 aluminum, the same stuff the black rifle’s receiver is...

    Was: $39.99
    Now: $27.97
  • Sale
    Blemished - .308 80% Lower - Billet Blemished - .308 80% Lower - Billet Blemished - .308 80% Lower - Billet Blemished - .308 80% Lower - Billet Blemished - .308 80% Lower - Billet

    Blemished - .308 80% Lower - Billet

    Blemished .308 80% Lower: Small scuffs, 100% performance. Save a couple bucks on your 80% AR-10 build! These blemished .308 receiver blanks feature small surface blemishes, which may include slight scratches or scuffs -- but they're perfectly functional...

    Was: $109.99
    Now: $99.99
  • Sale
    Glock® 19 Compatible Slide w/ Rear Serration 4 Glock® 19 Compatible Slide w/ Rear Serration 1 Glock® 19 Compatible Slide w/ Rear Serration 2 Glock® 19 Compatible Slide w/ Rear Serration 3

    Glock® 19 Compatible Slide w/ Rear Serration

    Finish your GLOCK® 19-compatible P80 build, or upgrade your current Gen 1 to 3 GLOCK® pistol! It functions as reliably as an OEM slide, because it meets OEM specs. This slide features an ultra-hard tungsten carbide finish. This incredibly tough,...

    Was: $169.99
    Now: $149.99
  • Sale
    Magpul® Angled Foregrip - M-Lok

    Magpul® Angled Foregrip - M-Lok

    This MagPul M-Lok Angled Foregrip is a great addition to any AR-15 or M16 weapon. This AFG (Angled Foregrip) looks sleek compared to other handle options. Weighing in at just 1.2oz, including hardware, this grip is ideal for any and everyone. MagPul is a...

    Was: $25.60
    Now: $19.97
  • Sale
    Gunsmithing Hammer - Brass

    Gunsmithing Hammer - Brass

    This is a great brass hammer to be used with your specialized gunsmithing needs. Very lightweight and extremely durable with a wooden handle. Specs Brass Head with a wooden handle 9 1/8 inches long 3 ounces Head diameter is 5/8 of an inch

    Was: $10.99
    Now: $7.97
  • Sale
    Rise Armament RA-LE145 Tactical Drop-In Trigger Rise Armament RA-LE145 Tactical Drop-In Trigger

    Rise Armament RA-LE145 Tactical Drop-In Trigger

    The Operator’s Go-To Trigger If you’re the operator, LEO, or hunter that needs one of the most upgraded and dependable triggers available, the LE145 Tactical Trigger from Rise Armament should be your top choice. This drop-in, single-stage...

    Was: $129.99
    Now: $99.97
  • Sale
    Wheeler® AR Armorers Kit - Essentials Wheeler® AR Armorers Kit - Essentials 2 Wheeler® AR Armorers Kit - Essentials 3 Wheeler® AR Armorers Kit - Essentials 4 Wheeler® AR Armorers Kit - Essentials 5

    Wheeler® AR Armorers Kit - Essentials

    We’re happy to bring you the Wheeler Armorer’s Essentials Kit.  It’s got all the major components you need to build and maintain your AR.  With your own tools like pin punches, a brass hammer, etc., you’ll have the full...

    Was: $175.99
    Now: $99.97
  • Sale
    .308 Lower Assembly | Lower Parts Kit | Butt Stock | Buffer Tube |Billet 80% Lower 1 .308 Lower Assembly | Lower Parts Kit | Butt Stock | Buffer Tube |Billet 80% Lower 2 .308 Lower Assembly | Lower Parts Kit | Butt Stock | Buffer Tube |Billet 80% Lower 3 .308 Lower Assembly | Lower Parts Kit | Butt Stock | Buffer Tube | Billet 80% Lower 4 .308 Lower Assembly | Lower Parts Kit | Butt Stock | Buffer Tube | Billet 80% Lower 5

    .308 80% Lower Assembly

    Got your mind set on building your own AR10 Rifle? Then check out this lower assembly that features a .308 80% lower crafted from 7075-T6 aluminum billet and anodized black. It also includes a lower parts kit that has been laser cut and polished for a...

    Was: $208.96
    Now: $199.99
  • Sale
    UTG® Quick Install Dust Cover -  .223/5.56,  Black UTG® Quick Install Dust Cover -  .223/5.56,  Black 2 UTG® Quick Install Dust Cover -  .223/5.56,  Black 3 UTG® Quick Install Dust Cover -  .223/5.56,  Black 4 UTG® Quick Install Dust Cover -  .223/5.56,  Black 5

    UTG® Quick Install Dust Cover - .223/5.56, Black

    Installing a dust cover onto your AR's upper receiver can be a pain. If you're starting with just parts, you need to install the C-clamp onto the rod without launching it across the room and never seeing it again. Then you thread the rod through the...

    Was: $9.99
    Now: $4.99
  • Sale
    Magpul M-LOK® MVG® Vertical Grip

    Magpul® M-LOK® MVG® Vertical Grip

    The Magpul M-LOK MVG Vertical Grip is a reinforced hard polymer material that attaches directly to M-LOK handguards and forends. The TSP texture and lightweight design allows for optimal control in any environment. Additional Features: Length: 3.0 in...

    Was: $21.81
    Now: $19.97
  • Sale
    Roll Pin Wizard Roll Pin Wizard 2 Roll Pin Wizard 3 Roll Pin Wizard 4 Roll Pin Wizard 5

    Roll Pin Wizard

    Get ready for one of the hardest parts about installing an LPK into your lower to be a hell of a lot easier. This is the Roll Pin Wizard, and it allows you to install the bolt catch pin in such a way that there's no risk of doing what you normally do:...

    Was: $24.99
    Now: $11.97
  • Sale
    LANTAC SSR-3.5˜Super Short Reset 3.5 lb Connector

    LANTAC SSR-3.5 lb Super Short Reset 3.5 lb Connector

    Out of the box, some people don't like the feel of the factory trigger pull on their new Glock®. But not to worry, fixing an undesireable trigger pull is one of the easiest jobs you can do to the internal components. Even easier, if you're building...

    Was: $17.99
    Now: $9.97
  • Sale
    Magpul MagLink® Coupler – PMAG® 30/40 AR/M4

    Magpul® MagLink® Coupler - PMAG® 30/40 AR/M4

    The Magpul MagLink Coupler has a strong polymer design that is lightweight which allows the shooter to be quick and efficient with reloading. This two-piece non flex MagLink Coupler architecture, attaches two magazines together allowing the shooter to...

    Was: $17.05
    Now: $12.97
  • Sale
    Magpul® MOE® Polymer Rail, 5 Slots

    Magpul® MOE® Polymer Rail, 5 Slots

    Everybody knows M-Lok handguards are amazing when it comes to versatility in mounting your favorite accessories to your AR. But the handguard only gives you the real estate; it doesn't give you the means. Here are the means. This is a five-slot section...

    Was: $9.99
    Now: $7.97
  • Sale
    AR-9 80% Lower Assembly - Fire/Safe Marked 1 AR-9 80% Lower Assembly - Fire/Safe Marked 2 AR-9 80% Lower Assembly - Fire/Safe Marked 3 AR-9 80% Lower Assembly - Fire/Safe Marked 4 AR-9 80% Lower Assembly - Fire/Safe Marked 5

    AR-9 80% Lower Assembly - Fire/Safe Marked

    Build your AR-9 rifle or pistol the easy way. Piecing together all the parts required to put together an AR-9 lower assembly -- that works reliably with a 9mm AR upper -- isn't easy. That's why we've done it for you. This lower assembly kit takes out the...

    $279.99 - $289.99
  • Sale
    Magpul RVG® - Rail Vertical Grip

    Magpul® RVG® - Rail Vertical Grip

    The Magpul RVG is a traditional vertical grip made out of durable polymer that is lightweight and has a low profile. With the aggressive TSP texture this allows for more control and is designed for the 1913 Picatinny rail hand guards.  Additional...

    Was: $23.70
    Now: $17.97

We always update this page with our latest and great products, on sale today! Part of our commitment to you at 80-lower.com includes promising the lowest possible prices on 80 lower receiver units, AR-15 uppers, bulk purchases, 80 lower jigs, sights and scopes, accessories, and much more.

80% Lowers on Sale

Grab an O.G. forged 80% lower with an anodized finish for the lowest possible price online, anywhere! This lower has been built to exact mil-spec measurements, guaranteeing compatibility with other retail AR-15 parts.

Discounted Build Kits Available Now

Looking for a complete build kit, but don't want to spend an arm and leg? We didn't forget about you. Our Ultimate Premium AR-15 Rifle Kit is currently on sale, as well as our 5" Government Black 1911 Build Kit in 9mm!


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.