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  • Sale
    Government Model 5" FS - 10mm Parkerized Government Model 5" FS - 10mm Parkerized 2 Government Model 5" FS -10mm Parkerized 3 Government Model 5" FS - 10mm Parkerized 4 Government Model 5" FS - 10mm Parkerized 5

    Full-Sized 5" 1911 Barrel - 10mm

    MOA accuracy for your classic 10mm (without breaking the bank). This classic Parkerized 5" 1911 barrel provides the perfect solution for an affordable, quality, accurate barrel. It includes all the fixtures needed to drop in and run, without added...

    Was: $64.99
    Now: $54.97
  • Sale
    Magpul PRS® GEN3 Precision-Adjustable Stock

    Magpul® PRS® GEN3 Precision-Adjustable Stock

    The Magpul PRS GEN3 Precision-Adjustable Stock is the ultimate shoulder rest for enhanced AR accuracy. With a built-in cheek riser, adjustable rubber pad for recoil mitigation, precision adjustment knobs, and mil-spec tube fitment, the PRS GEN3 allows...

    Was: $239.99
    Now: $199.97
  • Sale
    Glock® 43 Compatible Slide - LFA Elite, FDE Glock® 43 Compatible Slide - LFA Elite, FDE Glock® 43 Compatible Slide - LFA Elite, FDE Glock® 43 Compatible Slide - LFA Elite, FDE

    Glock® 43 Compatible Slide - LFA Elite, FDE

    Upgrade your G43/43X. Ported. Cerakoted in FDE. Custom machining. Cut from 416R stainless and coated in Flat Dark Earth Cerakote, this LFA Elite G43- and G43X-compatible slide is designed to provide maximum heat and wear resistance, withstanding...

    Was: $209.99
    Now: $149.99
  • Sale
    Spike's Tactical Lower Parts Kit for .223/5.56

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

    The Spike's Tactical Lower Parts Kit provides reliable operation inside any AR-15's 80% lower or stripped lower receiver without breaking your budget. Its mil-spec fitment and springs ensure you get a clean, repeatable trigger and hammer reset for good...

    Was: $71.96
    Now: $67.97
  • Sale
    Glock® 17 Compatible Barrel - TiN

    Glock® 17 Compatible Barrel - TiN

    Make your Glock® 17 or compatible build look like it was given to you personally by the ancient Greek gods and goddesses themselves by adding a barrel coated in titanium nitride, or TiN. Be an instrument of their will as you smite paper targets in...

    Was: $109.99
    Now: $79.97
  • Sale
    Real Avid Smart AR15 Cleaning Mat

    Real Avid Smart AR15 Cleaning Mat

    When it comes to cleaning, maintenance, and upgrades to your AR-15, you have your tool situation handled. That's a great step in the right direction. Now you need a regular and consistent place to do your work. Whether you choose the work bench out in...

    Was: $24.99
    Now: $17.97
  • Sale
    Glock® 21 Compatible RMR Cut Bull Nose Slide - .45acp 5 Glock® 21 Compatible RMR Cut Bull Nose Slide - .45acp 6 Glock® 21 Compatible RMR Cut Bull Nose Slide - .45acp Glock® 21 Compatible RMR Cut Bull Nose Slide - .45acp 2 Glock® 21 Compatible RMR Cut Bull Nose Slide - .45acp 3

    Glock® 21 Compatible RMR Cut Bull Nose Slide - .45 ACP

    Gen 3 compatible. RMR optic cut. Improved serrations and machining. This GLOCK® 21-compatible slide features a slick bullnose profile with improved, multi-directional front and rear serrations providing improved grip. This slide's also cut from 416R...

    Was: $179.99
    Now: $159.97
  • Sale
    Government Model 5" FS - 9MM Parkerized Government Model 5" FS - 9MM Parkerized 2 Government Model 5" FS - 9MM Parkerized 3 Government Model 5" FS - 9MM Parkerized 4 Government Model 5" FS - 9MM Parkerized 5

    Full-Sized 5" 1911 Barrel - 9mm

    A quality 9mm 1911 barrel. Simple. A good barrel doesn't need to cost three figures. This parkerized 5" (full-size") 9mm 1911 barrel provides the tight groupings you need for your classic hammer gun. Its matte black Parkerizing protects against rust and...

    Was: $64.99
    Now: $54.97
  • Sale
    Samson Fixed Front Sight (HK) Samson Fixed Front Sight (HK) 2

    Samson Fixed Front Sight (HK)

    Durable, lightweight, classic H&K-type iron sight. The Samson Fixed Front Sight is arguably an improvement when compared to the USGI front post. And yet, the A2-type front sights off most M16s and M4s can't be beat. So, why not pair them up? That's...

    Was: $54.99
    Now: $29.97
  • Sale
    GLOCK® 21 Compatible Stainless Steel Fluted Barrel 4 GLOCK® 21 Compatible Stainless Steel Fluted Barrel 5 GLOCK® 21 Compatible Stainless Steel Fluted Barrel 6 GLOCK® 21 Compatible Stainless Steel Fluted Barrel GLOCK® 21 Compatible Stainless Steel Fluted Barrel 2

    GLOCK® 21 Compatible Stainless Steel Fluted Barrel

    GLOCK® 21 and P80 compatible. Fluted for weight savings. Fully polished stainless. There's a lot of quality packed into this little G21-compatible barrel. It's been forged from high-quality 416R stainless steel, cut and fluted to reduce weight, then...

    Was: $99.99
    Now: $89.97
  • Sale
    AmeriGlo 4XL Sight - Glock® Compatible AmeriGlo 4XL Sight - Glock® Compatible 2 AmeriGlo 4XL Sight - Glock® Compatible 3

    AmeriGlo 4XL Sight - Glock® Compatible

    Ameriglo's popular optic- and supressor-ready GLOCK® irons. The Ameriglo 4XL Tall Iron Sights feature bright Tritium for fast and easy sight alignment in all conditions. Made for all GLOCK® slides, the 4XL Sights provide ample post height for...

    Was: $79.99
    Now: $59.97
  • Sale
    Aero Precision Gamma 556 Muzzle Brake Aero Precision Gamma 556 Muzzle Brake

    Aero Precision VG6 Gamma 556 Muzzle Brake V2

    If being quick with follow-up shots from your AR-15 counts, you'll want either a muzzle brake to control recoil or a compensator to reduce muzzle rise. The good people at Aero Precision want you to have both, in one single device. This is the Gamma 556...

    Was: $84.99
    Now: $54.97
  • Sale
    Midwest Industries Muzzle Brake for AR Rifles

    Midwest Industries Muzzle Brake for AR Rifles

    If managing recoil for your AR is your primary concern, you'll want a muzzle brake that does the utmost to mitigate it. The Midwest Industries Muzzle Brake does just that. Throw compensation and hiding your flash to the wind, and get the most recoil...

    Was: $29.95
    Now: $22.97
  • Sale
    Glock® 21 Compatible RMR Cut Slide - .45acp 5 Glock® 21 Compatible RMR Cut Slide - .45acp 6 Glock® 21 Compatible RMR Cut Slide - .45acp Glock® 21 Compatible RMR Cut Slide - .45acp 2 Glock® 21 Compatible RMR Cut Slide - .45acp 3

    Glock® 21 Compatible RMR Cut Slide - .45 ACP

    Gen 3 compatible. RMR optic cut. Rear angled serrations. This GLOCK® 21-compatible slide features a pre-cut RMR optic footprint and angled rear serrations for improved grip. Cut from 416R stainless, heat-treated and coated in a matte black powdercoat...

    Was: $169.99
    Now: $159.97
  • Sale
    Full-size 5" 1911 9MM Slide 5 Full-size 5" 1911 9MM Slide 6 Full-size 5" 1911 9MM Slide Full-size 5" 1911 9MM Slide 2 Full-size 5" 1911 9MM Slide 3

    Full-Sized 5" 1911 Slide - 9mm

    Upgrade your 9mm 1911 with a fiber-iron slide. This sleek, Parkerized 9mm 1911 slide comes with a high-visiblity fiber optic front iron sight, and double-dot rear open irons for easy sighting. The rear adjustable sight provides a dialed-in zero, while...

    Was: $159.99
    Now: $139.97
  • Sale
    Magpul MIAD Mission Adaptable Grip Magpul MIAD Mission Adaptable Grip

    Magpul® MIAD Mission Adaptable Grip

    Got a preference for how you think an AR grip should feel? Yeah, anything but the original mil-spec grip, right? We hear ya. Fortunately, Magpul heard ya too. That's why they have the MIAD, the Mission Adaptable grip for your AR. It's just as great as...

    Was: $34.15
    Now: $27.97
  • Sale
    LWD Glock® Compatible Connector - 3.5 lb G42/43

    LWD Glock® Compatible Connector - 3.5 lb G42/43

    For those of you building a single-stack Glock® 42 or 43 compatible pistol who have decided you want a better feel to your trigger than what the OEM or "stock" trigger provides, this is your first step. This is the LWD Glock® Compatible 3.5 lb...

    Was: $19.95
    Now: $16.97
  • Sale
    Real Avid Gun Boss Pro Handgun Cleaning Kit Real Avid Gun Boss Pro Handgun Cleaning Kit

    Real Avid Gun Boss Pro Handgun Cleaning Kit

    Clean it like you mean it. Your sidearm, especially its internals will get dirty. Bullet powder explodes and leaves black grime behind. If this happens enough, eventually it'll be hard to clean off with a normal cleaning. You'll need to scrub the hell...

    Was: $24.99
    Now: $9.97
  • Sale
    Spike's Tactical R2 5.56 Muzzle Brake Spike's Tactical R2 5.56 Muzzle Brake Spike's Tactical R2 5.56 Muzzle Brake

    Spike's Tactical R2 5.56 Muzzle Brake

    Spike's Tactical gets it when it comes to reducing felt recoil for your AR-15. Sure the AR might not kick a lot to begin with, but for you that have AR pistols and generally shorter-barreled builds, the R2 from Spike's Tactical will work wonders. The R2...

    Was: $59.99
    Now: $34.97
  • Sale
    Midwest Industries 2-Chamber Muzzle Brake Midwest Industries 2-Chamber Muzzle Brake

    Midwest Industries 2-Chamber Muzzle Brake

    The AR-15's A2 "birdcage" flash hider really is a great design. It dissipates expelled gas, usually in five directions, pointed in several upward and side-facing paths. It keeps your visual path to the target clear, so you can quickly re-level your aim...

    Was: $39.95
    Now: $34.97
  • Sale
    Glock® 26 Compatible Barrel - TiN Glock® 26 Compatible Barrel - TiN 2

    Glock® 26 Compatible Barrel - TiN

    Make your Glock® 26 or compatible build look like it was given to you personally by the ancient Greek gods and goddesses themselves by adding a barrel coated in gold titanium nitride, or TiN. Be an instrument of their will as you smite paper targets...

    Was: $99.99
    Now: $79.97

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.