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On Sale

  • 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
    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® 19 Gen 5 Compatible Slide - LFA Elite - Black Glock® 19 Gen 5 Compatible Slide - LFA Elite - Black Glock® 19 Gen 5 Compatible Slide - LFA Elite - Black Glock® 19 Gen 5 Compatible Slide - LFA Elite - Black Glock® 19 Gen 5 Compatible Slide - LFA Elite - Black

    Glock® 19 Gen 5 Compatible Slide - LFA Elite - Black

    Gen 5 G19 compatible. RMR optic cut. Ported and serrated. This Gen 5 GLOCK® 19-compatible slide features plenty of upgrades over any OEM-spec slide. Forged from high-strength 416R stainless and heat-treated before receiving a matte black Cerakote...

    Was: $199.99
    Now: $164.97
  • 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
  • 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
    Holosun Red Dot Reflex Sight - X2 Series (6 MOA) Holosun Red Dot Reflex Sight - X2 Series (6 MOA) 2 Holosun Red Dot Reflex Sight - X2 Series (6 MOA) 3 Holosun Red Dot Reflex Sight - X2 Series (6 MOA) 4 Holosun Red Dot Reflex Sight - X2 Series (6 MOA) 5

    Holosun Red Dot Reflex Sight - X2 Series (6 MOA)

    The 407K: Simpler reticle than the 507K, and more affordable. That's all, folks: The Holosun 407K -- the sibling to the popular 507K pistol red dot -- is now available. It features the same rugged, squared up aluminum housing, durable multi-coated glass,...

    Was: $249.99
    Now: $209.97
  • Sale
    Magpul® MS1® Dual QDM 2 Point Sling - Black Magpul® MS1® Dual QDM 2 Point Sling - Black 2 Magpul® MS1® Dual QDM 2 Point Sling - Black 3

    Magpul® MS1® Dual QDM 2 Point Sling - Black

    Grab the MS1 Sling with Magpul's upgraded QDM studs. The MS1 is one of the best rifle slings available. It provides quick adjustment for any two-point attachment setups, and it's made from strong nylon webbing that's comfortable and easy to adjust. So,...

    Was: $71.20
    Now: $49.97
  • Sale
    Spike's Tactical Pro Grip Spike's Tactical Pro Grip-2

    Spike's Tactical Pro Grip

    Replace that mil-spec uncomfortable grip on your AR with the Pro Grip by Spike's Tactical. It has an ergonomically correct feel and has been shaped and contoured to fit your hand's natural grip, to make your hand and your rifle fit together like they're...

    Was: $17.96
    Now: $14.97
  • Sale
    Compact Barrel for Sig Sauer® P320™ - TiN Compact Barrel for Sig Sauer® P320™ - TiN Compact Barrel for Sig Sauer® P320™ - TiN Compact Barrel for Sig Sauer® P320™ - TiN

    Compact Barrel for Sig Sauer® P320™ - TiN

    Gold TiN-coated, providing absolute accuracy and aesthetics. This match-grade P320™ barrel provides arguably the most reliable, accurate, and downright good-lookin' unit available for the Sig modular platform. Its gold Titanium Nitride coating...

    Was: $49.99
    Now: $44.97
  • Sale
    MAG515-BLK: Magpul® MS3® Single QD Sling GEN2 - Black MAG515-BLK: Magpul® MS3® Single QD Sling GEN2 - Black 2 MAG515-BLK: Magpul® MS3® Single QD Sling GEN2 - Black 3

    Magpul® MS3® Single QD Sling GEN2 - Black

    A rugged single- and two-point sling, made in the USA. A sling is a functional piece of equipment that should get you to a quick high-ready to assist with some well-placed shots. Magpul knows this. That's why the Gen 2 MS3 Sling provides a simple,...

    Was: $56.95
    Now: $49.97
  • Sale
    Luth AR Charging Handle - .308

    Luth AR Charging Handle - .308

    The standard .308 from Luth-AR. Made from the lightweight yet durable 6061-T6 aluminum and anodized black, not just for looks, but for protection against corrosion. Perfect for you .308 rifle! Features 6061-T6 Aluminum Anodized Black

    Was: $34.99
    Now: $17.97
  • Sale
    Aero Precision Gamma 7.62 Muzzle Brake Aero Precision Gamma 7.62 Muzzle Brake Aero Precision Gamma 7.62 Muzzle Brake

    Aero Precision Gamma 7.62 Muzzle Brake

    If being quick with follow-up shots from your LR-308 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 7.62...

    Was: $76.49
    Now: $54.97
  • Sale
    Rival Arms Full Size Guide Rod for Sig Sauer® P320™ Rival Arms Full Size Guide Rod for Sig Sauer® P320™

    Rival Arms Full Size Guide Rod for Sig Sauer® P320™

    Improve your P320™ reliability and accuracy. Polymer guide rods do well enough -- until they suffer breakdown from excessive heat and fouling, which can lead to cracking and splintering. Polymer's also prone to flex, which reduces accuracy and can...

    Was: $34.99
    Now: $27.97
  • Sale
    Gun Nuts® Ambidextrous Sporter Lower Parts Kit Gun Nuts® Ambidextrous Sporter Lower Parts Kit Gun Nuts® Ambidextrous Sporter Lower Parts Kit Gun Nuts® Ambidextrous Sporter Lower Parts Kit

    Gun Nuts® Ambidextrous Sporter Lower Parts Kit

    Features a notched hammer and ambidextrous safety. Combine the best of old-school ARs with the ergonomics of a modern parts kit with the Sporter Ambi LPK from Gun Nuts. Features an original notched hammer, for compatibility with unshrounded bolt carriers...

    Was: $105.99
    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.