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On Sale

  • 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: $39.97
  • Sale
    Glock OEM Front Screw-on Night Sight Glock® OEM Front Night Sight 2 Glock® OEM Front Night Sight 3 Glock® OEM Front Night Sight

    Glock® OEM Front Night Sight

    Genuine GLOCK® OEM front night sight. Simple. Sometimes, factory is best. The NF17G24 fits all Gen 1 to 5 pistols, including the GLOCK® 17, 19, 22, 23, 24, 26, 27, 33, 34, 35, 37, 38, and 39. GLOCK's® night sights provide simple but effective...

    Was: $44.99
    Now: $23.97
  • Sale
    Rifle-Length Gas Tube

    Rifle-Length Gas Tube

    The perfect gas tube for a gas-operated AR with a rifle-length system. This tube is compatible with AR-15 and AR-10 sized rifles. See below for more info. Features: Stainless Steel Rifle Length Gas Tube for AR15 & AR10 rifles Rifle length 15...

    Was: $11.99
    Now: $3.97
  • 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
    PSA MOE SBA3 Lower Assembly Kit 1 PSA MOE SBA3 Lower Assembly Kit 2 PSA MOE SBA3 Lower Assembly Kit 3 PSA MOE SBA3 Lower Assembly Kit 4 PSA MOE SBA3 Lower Assembly Kit 5

    PSA MOE SBA3 Lower Build Kit

    Whether you're getting your stripped lower receiver ready to build an AR-15 pistol or just want to change things up and convert your SBR into a pistol, we've got just the kit for you. With the all-inclusive SBA3 lower assembly, you'll receive parts from...

    Was: $179.99
    Now: $149.97
  • 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: $9.97
  • Sale
    Gun Nuts®  0# $#!+ Kit - Lower Parts Kit Gun Nuts®  0# $#!+ Kit - Lower Parts Kit Gun Nuts®  0# $#!+ Kit - Lower Parts Kit Gun Nuts®  0# $#!+ Kit - Lower Parts Kit

    Gun Nuts® 0# $#!+ Kit - Lower Parts Kit

    Lost that tiny lil' spring? You're in the right place. The "OH $#!+" Lower Parts Kit provides replacement components for the AR-15 lower receiver's springs, pins, and detents -- including all the parts most likely to get lost or damaged during the...

    Was: $11.99
    Now: $8.97
  • 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: $99.99
    Now: $94.97
  • 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: $53.97
  • Sale
    12-m-lok-free-floating-handguard-1 12-m-lok-free-floating-handguard-2 12-m-lok-free-floating-handguard-3 12-m-lok-free-floating-handguard-4 12-m-lok-free-floating-handguard-5

    12" M-Lok Free-Floating Handguard

    Need some "front end" to finish off that AR build of yours? How 'bout 12 inches of it? Put the finishing touches on your standard-sized AR-15 with this handguard. You get enough rail space on top to mount your backup sights or even optics. The M-Lok...

    Was: $69.99
    Now: $49.97
  • Sale
    ALG Defense QMS Quality Mil-Spec Trigger

    ALG Defense QMS Quality Mil-Spec Trigger

    Some of us like our AR platform rifles traditional or built as close to mil-spec as possible. We build replicas of that Colt model 629 or of the old-school M-16, because we want that nostalgia when we shoot. There's just one problem: the mil-spec...

    Was: $68.25
    Now: $54.97
  • Sale
    Glock® 17 Compatible Slide w/ Rear Serration - FDE 4 Glock® 17 Compatible Slide w/ Rear Serration - FDE 1 Glock® 17 Compatible Slide w/ Rear Serration - FDE 2 Glock® 17 Compatible Slide w/ Rear Serration - FDE 3

    Glock® 17 Compatible Slide w/ Rear Serration - FDE

    Gen 1 to 3 compatible. OEM-spec internals with rear serrations. Cerakoted FDE. This GLOCK® 17-compatible slide features a slick bullnose profile with improved, multi-directional front and rear serrations providing improved grip. This slide's also cut...

    Was: $139.99
    Now: $109.97
  • Sale
    SBA5™ Pistol Stabilizing Brace® - 5 Position - Black SBA5™ Pistol Stabilizing Brace® - 5 Position - Black SBA5™ Pistol Stabilizing Brace® - 5 Position - Black

    SBA5™ Pistol Stabilizing Brace® - 5 Position - Black

    The latest and greatest pistol brace from SB Tactical. The SBA5™ Pistol Stabilizing Brace® is 5-position adjustable and designed for all platforms capable of accepting a mil-spec carbine receiver extension. Featuring an integral, ambidextrous...

    Was: $109.99
    Now: $99.97
  • Sale
    AmeriGlo, Glock® Compatible 3 Dot Sight, Front and Rear AmeriGlo, Glock® Compatible 3 Dot Sight, Front and Rear 2 AmeriGlo, Glock® Compatible 3 Dot Sight, Front and Rear 3

    AmeriGlo, Glock® Compatible 3 Dot Sight, Front and Rear

    Ready for a red dot or suppressor. Classic Ameriglo quality. The GL-329 ( XL / "Tall") 3-dot sights provide excellent target aqcuisition in any conditions. That's thanks to their stacked, Tritium-illuminated front and rear posts. With a front blade...

    Was: $94.99
    Now: $74.97
  • Sale
    Gun Nuts® Pro Line Fire Control Group Gun Nuts® Pro Line Fire Control Group Gun Nuts® Pro Line Fire Control Group Gun Nuts® Pro Line Fire Control Group

    Gun Nuts® Pro Line Fire Control Group

    The Pro Line FCG: OEM compatibility with tier-one performance. A simple hammer and trigger upgrade is one of the most overlooked AR-15 upgrades -- and it's one of the easiest and most effective ways to improve your AR's reliability and accuracy. Enter...

    Was: $26.99
    Now: $21.97
  • Sale
    Glock® 43 Compatible Slide - LFA Elite Black 4 Glock® 43 Compatible Slide - LFA Elite Black 1 Glock® 43 Compatible Slide - LFA Elite Black 2 Glock® 43 Compatible Slide - LFA Elite Black 3

    Glock® 43 Compatible Slide - LFA Elite Black

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

    Was: $209.99
    Now: $149.97
  • Sale
    Glock® Compatible Flash Hider - 9mm - 1/2×28 1 Glock® Compatible Flash Hider - 9mm - 1/2×28 2 Glock® Compatible Flash Hider - 9mm - 1/2×28 3 Glock® Compatible Flash Hider - 9mm - 1/2×28 4

    Glock® Compatible Flash Hider - 9mm - 1/2×28

    Want to reduce the muzzle signature from your Glock® compatible build? Maybe you intend to train at night. Maybe you carry your sidearm as a backup while you hunt. Whatever the reason, if your Glock® compatible sidearm's got a threaded barrel,...

    Was: $26.99
    Now: $24.97
  • Sale
    Ghost Edge Connector - G42/G43/43X & 48

    Ghost Edge Connector - G42/G43/43X & 48

    Enhance your trigger's action in your single-stack Glock® or Glock® compatible build. "Swap the slop" of the OEM trigger pull to make your trigger feel smooth and lighter and give it a crisper reset. This is the Edge Connector from Ghost Inc. for...

    Was: $24.95
    Now: $15.97
  • Sale
    Holosun 2 MOA 20mm (Solar) Red Dot Sight -  MRS Holosun 2 MOA 20mm (Solar) Red Dot Sight -  MRS 2 Holosun 2 MOA 20mm (Solar) Red Dot Sight -  MRS 3

    Holosun 2 MOA 20mm (Solar) Red Dot Sight - MRS

    Time to upgrade your ability to quickly acquire a target. Check out the Holosun HS503CU MRS (Multiple Reticle System) Red Dot Sight. It features a solar failsafe, so you never have to worry about having a dead battery. It's got Holosun's "shake awake"...

    Was: $259.99
    Now: $159.97
  • Sale
    AR 10 / LR-308 "Birdcage" Flash Hider (5/8x24 Threads) AR 10 / LR-308 "Birdcage" Flash Hider (5/8x24 Threads)

    AR 10 / LR-308 "Birdcage" Flash Hider (5/8x24 Threads)

    A standard, A2-style flash hider for your AR 10 / LR-308 rifle. Features standard 5/8x24 TPI threads for universal compatibility with .30-caliber, AR-type barrels. Made from solid 4150 steel with a matte Parkerized finish. Features classic "A2"-style,...

    Was: $6.99
    Now: $4.97
  • Sale
    9mm 1911 Parts Kit - 5" Government Anodized Black Slide

    Premium 1911 Parts Kit (9mm) / Black 5" Government Slide

    Tires of paying a premium to own a top-shelf 1911? Be honest: Those $3,000 guns are demanding a huge brand tax. You don't have to pay it. You can build your own premium pistol with this complete 1911 parts kit. With precision machining and polishing, and...

    Was: $749.99
    Now: $719.97
  • Sale
    Magpul MS1® Sling - Black Magpul MS1® Sling - Black 2 Magpul MS1® Sling - Black 5 Magpul MS1® Sling - Black 6

    Magpul® MS1® Sling - Black

    The Magpul MS1 two-point sling offers smooth rapid transitions when lengthening or shortening the sling to allow hands free shooting support or rifle carry. With the MS1 there are no loops, tails, or any hazards that may cause snagging. In testing, the...

    Was: $37.95
    Now: $19.97
  • Sale
    Sylvan Arms - 9MM Glock Compensator - 1/2 x 28 RH Sylvan Arms - 9MM Glock Compensator - 1/2 x 28 RH 2 Sylvan Arms - 9MM Glock Compensator - 1/2 x 28 RH 3

    Sylvan Arms - 9MM Glock® Compensator - 1/2 x 28 RH

    Tighten up those shot groups with a lightweight compensator. Does your GLOCK® (or P80 build) feel snappy? Flippy? Can't dial in your shot groups and make 'em tight? Here's your cheat code: The Sylvan Arms 9mm GLOCK® Compensator provides an...

    Was: $59.99
    Now: $49.97
  • Sale
    Glock® 42/43 OEM Polymer Fixed Rear Sight Glock® 42/43 OEM Polymer Fixed Rear Sight 2 Glock® 42/43 OEM Polymer Fixed Rear Sight 3

    Glock® 42/43 OEM Polymer Fixed Rear Sight

    GLOCK's® factory "poly" fixed rear sight for G42/43. Keep it simple and save your cash (for that sweet barrel or trigger). The polymer 6.1mm factory rear sight provides a quick and simple solution for your G42 and G43. Use it to finish your...

    Was: $9.99
    Now: $3.97
  • Sale
    Glock® OEM Gun Case w/ Bore Brush & Cleaning Rod Glock® OEM Gun Case w/ Bore Brush & Cleaning Rod 2

    Glock® OEM Gun Case w/ Bore Brush & Cleaning Rod

    Go official or go home when you hit the range. GLOCK's® OEM hard gun case is an excellent choice for stowing and toting your favorite black brick sidearm. This hard-sided polymer pistol case perfectly serves for your travel needs or just a simple...

    Was: $29.99
    Now: $14.97

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.