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  • Sale
    Magpul QD Sling Swivel

    Magpul® QD Sling Swivel

    The Magpul QD Sling Swivel is a detachable manganese-phosphate coated steel design, that is compatible with any push-button 1-1/4 inch webbing for QD sling attachment points, including the two-point MS1 Sling.  Additional Features: Platform: AR15,...

    Was: $13.99
    Now: $11.97
  • Sale
    r-j-single-stage-drop-in-trigger-1 r-j-single-stage-drop-in-trigger-2 r-j-single-stage-drop-in-trigger-3 r-j-single-stage-drop-in-trigger-4 r-j-single-stage-drop-in-trigger-5

    Single Stage Drop-In Trigger

    Look, everybody knows you need a trigger to make your AR do its job. And while all those mil-spec triggers out there that come in who knows how many lower parts kits do their job adequately, that's just it. They're just "adequate." Time to step it up and...

    Was: $159.99
    Now: $99.97
  • Sale
    ALG Defense ACT Advanced Combat Trigger

    ALG Defense ACT Advanced Combat Trigger

    Got an admiration for AR builds resembling those from a previous era? We do too. But if you're like us, you're just not a fan of the mil-spec trigger. It's gritty and has a rough pull, and it generally feels like crap. But there's a way to keep that...

    Was: $69.00
    Now: $67.97
  • Sale
    Strike Industries 5.56/.223 King Comp Compensator Strike Industries 5.56/.223 King Comp Compensator Strike Industries 5.56/.223 King Comp Compensator

    Strike Industries King Comp .223/5.56 Compensator

    Staying on target is key when taking follow-up shots. The best way to achieve this is to train yourself to keep your barrel level between trigger squeezes. To give yourself a little help in that department, you can swap out your mil-spec A2 flash hider...

    Was: $44.95
    Now: $34.97
  • Sale
    Magpul® Flip-Up Sight - Rear Magpul® Flip-Up Sight - Rear

    Magpul® Flip-Up Sight - Rear

    MagPul Backup Sights are a necessity for any and all AR-15 and M16 weapons. Having the dependability of a backup sight in case your optics system goes down, is imperative for field operators and general gunmen alike. These Rear Flip-Up Sights are a great...

    Was: $54.99
    Now: $39.97
  • Sale
    Ghost Complete Trigger Kit - Pro 3.3

    Ghost Complete Trigger Kit - Pro 3.3

    So you've decided to build your own double stack Glock® compatible pistol. You have a size whatever, gen whatever. And you know something about triggers beyond just hearing "you need these parts" and then blindly just using the trigger parts that...

    Was: $44.95
    Now: $39.97
  • Sale
    Real Avid Smart Bench Block - Universal Real Avid Smart Bench Block - Universal 2 Real Avid Smart Bench Block - Universal 3 Real Avid Smart Bench Block - Universal 4 Real Avid Smart Bench Block - Universal 5

    Real Avid Smart Bench Block - Universal

    When you work on either your AR or the smaller parts of your 1911 or a similar handgun, you could find yourself needing an extra pair of hands to hold something in just the right way so you can hammer a pin. You don't just want to clamp your barrel,...

    Was: $14.99
    Now: $9.97
  • Sale
    Glock® 17 Compatible Threaded Barrel - Stainless Steel

    Glock® 17 Compatible Threaded Barrel - Stainless Steel

    Got the urge to enhance the performance of your Glock® 17 compatible build even further by using a threaded barrel, so you can screw on a muzzle device? Got the urge to enhance the aesthetics of it as well by going with stainless steel over black? Or...

    Was: $79.99
    Now: $44.97
  • Sale
    Glock® 19 Compatible Slide w/ Front & Rear Serrations 4 Glock® 19 Compatible Slide w/ Front & Rear Serrations 1 Glock® 19 Compatible Slide w/ Front & Rear Serrations 2 Glock® 19 Compatible Slide w/ Front & Rear Serrations 3

    Glock® 19 Compatible Slide w/ Front & Rear Serrations

    Gen 3 G19 compatible. Upgraded front and rear angled serrations. This gen 3 G19-compatible slide is a great, affordable, "OEM+" upgrade for your factory pistol or P80 build. It features an OEM fit and finish, but with upgraded, angled front and rear...

    Was: $169.99
    Now: $149.99
  • Sale
    ETS G43 7-Round Mag (9mm) + Pearce Grip Extension ETS G43 7-Round Mag (9mm) + Pearce Grip Extension 2 ETS G43 7-Round Mag (9mm) + Pearce Grip Extension 3 ETS G43 7-Round Mag (9mm) + Pearce Grip Extension 4 ETS G43 7-Round Mag (9mm) + Pearce Grip Extension 5

    ETS G43 7-Round Mag (9mm) + Pearce Grip Extension

    The Mag Some of us know exactly how many rounds we have left at all times. For the rest of us, now there's help, especially if you carry a G43. This is the ETS G43 7-Round Magazine with Pearce Grip Extension. Now whenever you take your G43 out for a day...

    Was: $29.99
    Now: $24.99
  • Sale
    Double Diamond Connector - BLACK YIKES 3.0 Double Diamond Connector - BLACK YIKES 3.0 2

    Double Diamond Connector - BLACK YIKES 3.0

    If you're building your Glock® compatible pistol and you've gotten to the part of the process where you install parts that make up a functioning trigger, stop for a sec. What kind of feel do you want your trigger to have? I ask, because let's face...

    Was: $27.99
    Now: $21.97
  • Sale
    Magpul M-LOK® QD Sling Mount Magpul M-LOK® QD Sling Mount 2 Magpul M-LOK® QD Sling Mount 3 Magpul M-LOK® QD Sling Mount 4 Magpul M-LOK® QD Sling Mount 5

    Magpul® M-LOK® QD Sling Mount

    The Magpul M-LOK QD Sling Mount is made from durable Mil-Spec anodized aluminum that is lightweight. This anti-swivel design offers beveled edges, preventing snagging and rotation. The M-Lok QD Sling Mount provides a forward attachment point compatible...

    Was: $18.99
    Now: $13.97
  • Sale
    Leapers, Inc. - UTG, UTG PRO, Ambidextrous Grip Leapers, Inc. - UTG, UTG PRO, Ambidextrous Grip Leapers, Inc. - UTG, UTG PRO, Ambidextrous Grip Leapers, Inc. - UTG, UTG PRO, Ambidextrous Grip

    UTG PRO Ambidextrous Grip by Leapers, Inc.

    Get more out of your AR-15's grip, and get it to do more for you. This is the UTG PRO Ambidextrous Grip by Leapers Inc. Aside from polymer construction, it's been molded with excellent ergonomics to reduce fatigue, and so you can really get an...

    Was: $14.97
    Now: $12.97
  • Sale
    Ergo Grip, Tactical Deluxe SureGrip for AR-15/M-16

    Ergo Grip Tactical Deluxe SureGrip for AR-15/M-16

    If you're like the rest of us, you find the mil-spec A2 grip that came standard on your AR severely lacking in the area of comfort. Its hard plastic never really gets comfortable, and its angle and texture don't stop your from getting fatigue, especially...

    Was: $59.99
    Now: $49.97
  • Sale
    Spike's Tactical - AR-15 Lower Parts Kit Without Trigger

    Spike's Tactical - AR-15 Lower Parts Kit Without Trigger

    Spike's Tactical's AR-15 Lower Parts Kits are made out of high-quality parts with precision machinework and expert quality control to ensure reliable functionality as soon as they're installed. This LPK does not include a fire control group, and is...

    Was: $114.99
    Now: $109.97
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    Spike's Tactical Enhanced Lower Parts Kit for .223/5.56

    Spike's Tactical Enhanced Lower Parts Kit for .223/5.56

    Spike's Tactical's Enhanced Lower Parts Kit for .223/5.56 AR rifles includes upgraded internals, coated with nickel boron for smoother operation and less fouling. The hammer and trigger pins have been replaced by anti-roll pins to make sure your fire...

    Was: $152.96
    Now: $144.97
  • Sale
    Magpul AFG-2® - Angled Fore Grip

    Magpul® AFG-2® - Angled Fore Grip

    The Magpul Angled Fore Grip (AFG-2) overall has a shorter length, width, and slimmer design than its predecessor, Magpul's original AFG. There is less recoil and more control using this fore grip since the shooter's hand is naturally placed in the center...

    Was: $33.20
    Now: $23.97
  • Sale
    Glock® 19 Compatible Barrel - PVD Chameleon Glock® 19 Compatible Barrel - PVD Chameleon 2

    Glock® 19 Compatible Barrel - PVD Chameleon

    OEM is boring. Put a sense of style and uniqueness in your Glock® 19 compatible build. Go for a barrel finished with that "oil slick" pattern with this Glock® 19 Compatible Barrel in the PVD Chameleon color. This barrel performs just as well as...

    Was: $89.99
    Now: $74.97
  • Sale
    Magpul M-LOK® Hand Stop Kit

    Magpul® M-LOK® Hand Stop Kit

    The Magpul M-LOK Hand Stop Kit has a low profile, lightweight design for enhanced weapon control. The M-LOK index point has a forward stop that prevents the shooter's hand from shifting towards the muzzle or front sight assembly.  Additional...

    Was: $23.70
    Now: $19.97
  • Sale
    Magpul M-LOK® Rail Covers, Type 2

    Magpul® M-LOK® Rail Covers, Type 2

    You've finished your AR and mounted all your accessories to your M-Lok handguard. Sure, it's okay to grip, but it'd be a lot better with some gripping texture instead of all those M-Lok slots. That's why Magpul gives you their Type 2 M-Lok Rail Covers...

    Was: $12.30
    Now: $9.97
  • Sale
    Magpul MOE-K2+® Grip – AR15/M4 Magpul MOE-K2+® Grip – AR15/M4-2

    Magpul® MOE-K2+® Grip - AR15/M4

    The Magpul MOE-K2+ Grip has a durable rubber mold wrapping around the hard polymer body, preventing snags and damage, which allows this grip to outlast in rugged environments. The MOE-K2+ offers a steeper vertical grip angle allowing the shooter's hand...

    Was: $23.70
    Now: $17.97
  • Sale
    Magpul 5-Slot M-LOK® Aluminum Rail

    Magpul® 5-Slot M-LOK® Aluminum Rail

    You painstakingly picked out your favorite M-Lok handguard for your new AR build, but there's a catch: maybe the vertical grip, light mount or laser mount you have in mind to use on your handguard is made to attach to a 1913 / pic rail like that of an M4...

    Was: $18.95
    Now: $12.97
  • Sale
    Bravo Company AR-15 Trigger Assembly - PNT, Nickel

    Bravo Company AR-15 Trigger Assembly - PNT, Nickel

    It's time to get serious about your AR's trigger. Two words: Bravo Company. And this is their PNT Trigger Assembly. Sure it's been given a nickel finish, but that's not all. The interacting surfaces of its individual parts have also been coated in PNT,...

    Was: $69.95
    Now: $59.97
  • Sale
    Glock® 21 Compatible Upper Parts Kit

    Glock® 21 Compatible Upper Parts Kit

    Building a custom G21 or PF45 slide? You need this slide parts kit. Ready to build a custom GLOCK® slide for your Gen 3 pistol or Polymer80 build? You need to pair it with a parts kit like this one. We've got your PF45 build (or factory GLOCK®...

    Was: $104.99
    Now: $89.99

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.