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Handgun Parts

  • Sale
    Glock® Compatible 19 Gen 4 Lower Parts Kit

    Glock® Compatible 19 Gen 4 Lower Parts Kit

    We take stock Glock® compatible 19 pistols and mod and customize the hell out of them. In the same way the AR-15 is the most customizable rifle in the world, the Glock® compatible pistol is the most customizable handgun. But the vast majority of...

    Was: $79.99
    Now: $54.99
  • Sale
    Ghost Ultimate 3.5 lb Trigger For Glocks® - Gen 1-5

    Ghost Ultimate 3.5 lb Connector For Glocks® - Gen 1-5

    For those of us who get down and dirty with our double-stack Glock® compatible pistols, we have to take extra care of our sidearms, lest we have to spend more time cleaning the crap out of 'em after a good training session or duty. Too much debris...

    Was: $17.95
    Now: $14.99
  • Sale
    SIG SAUER® Compatible Slide - P320, Black Cerakote 3 SIG SAUER® Compatible Slide - P320, Black Cerakote 4 SIG SAUER® Compatible Slide - P320, Black Cerakote SIG SAUER® Compatible Slide - P320, Black Cerakote 2 SIG SAUER® Compatible Slide - P320, Black Cerakote 5

    SIG SAUER® Compatible Slide - P320™, Black Cerakote

    The P320 by Sig Sauer® is an extremely versatile sidearm. It can be virtually any size of pistol you need it to be due to its ability to change out its frames, or its "grip modules." This unique feature makes it easy to understand why so many people...

    Was: $279.99
    Now: $214.97
  • 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
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    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
  • 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: $169.99
    Now: $129.99
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    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: $169.99
  • Sale
    OLIGHT PL-MINI 2 Valkyrie Tactical Light - 600 Lumens OLIGHT PL-MINI 2 Valkyrie Tactical Light - 600 Lumens 2 OLIGHT PL-MINI 2 Valkyrie Tactical Light - 600 Lumens 3 OLIGHT PL-MINI 2 Valkyrie Tactical Light - 600 Lumens 4 OLIGHT PL-MINI 2 Valkyrie Tactical Light - 600 Lumens 5

    OLIGHT PL-MINI 2 Valkyrie Tactical Light - 600 Lumens

    A small, reliable handgun light. Simple. No cheap plastic, here. The PL-MINI 2 Valkyrie from OLIGHT provides 600 lumens of powerful illumination in a tiny package, making it the perfect light for your daily-carry pistol or nightstand gun. Unlike other...

    Was: $89.95
    Now: $62.97
  • Sale
    Glock® 43 Compatible RMSC Cut Bull Nose Slide 5 Glock® 43 Compatible RMSC Cut Bull Nose Slide 6 Glock® 43 Compatible RMSC Cut Bull Nose Slide 1 Glock® 43 Compatible RMSC Cut Bull Nose Slide 2 Glock® 43 Compatible RMSC Cut Bull Nose Slide 3

    Glock® 43 Compatible RMSC Cut Bull Nose Slide

    Improved serrations, better looks, and RMSc-cut for optics. This upgraded GLOCK® 43 slide provides the perfect upgrade for your Gen 3 factory pistol or your Polymer80 build. It sports 3D cut and raised front and rear serrations with better grip, a...

    Was: $159.99
    Now: $139.99
  • Sale
    Glock® Compatible Non-Adjustable Pyramid Trigger - Black

    Glock® Compatible Non-Adjustable Pyramid Trigger - Black

    Look, the fact is Glock® compatible pistols still fit into the category of "most customizable pistols around." You can upgrade, replace, or otherwise swap out every damned part on one. But before you trick yours out to truly make it unique to you,...

    Was: $169.99
    Now: $139.97
  • Sale
    Glock® 17 Compatible Slide w/ Rear Serration - Black 5 Glock® 17 Compatible Slide w/ Rear Serration - Black 6 Glock® 17 Compatible Slide w/ Rear Serration - Black Glock® 17 Compatible Slide w/ Rear Serration - Black 2 Glock® 17 Compatible Slide w/ Rear Serration - Black 3

    Glock® 17 Compatible Slide w/ Rear Serration - Black

    Finish your GLOCK® 17-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
  • Glock® 19 Compatible Lower Parts Kit

    Glock® 19 Compatible Lower Parts Kit

    So you wanna build a 3rd gen Glock® 19 compatible compact-sized pistol. You got your Glock® 19 compatible 3rd gen compact frame, and now you need the guts to put in it to make it work. No need to scour every corner of the internet to Frankenstein...

    $41.99
  • Glock® 17 Compatible Lower Parts Kit

    Glock® 17 Compatible Lower Parts Kit

    So you wanna build a 3rd gen Glock® 17 compatible full-sized pistol. You got your Glock® 17 compatible 3rd gen full-sized frame, and now you need the guts to put in it to make it work. No need to scour every corner of the internet to Frankenstein...

    $41.99
  • Magpul PMAG G19 15rd Magazine Magpul PMAG G19 15rd Magazine 2

    Magpul® PMAG G19 15rd Magazine

    The PMAG G19 15rd magazine is just one of many of Magpul's line forward-thinking firearm accessories. This 9mm magazine is made from polymer, so it is tough enough to take a beating while still being one of the lightest mags in the market, and also...

    $14.20
  • Magpul PMAG G17 17rd Magazine - MAG546-BLK Magpul PMAG G17 17rd Magazine - MAG546-BLK 2

    Magpul® PMAG G17 17rd Magazine

    The Magpul PMAG 17rd magazine is a surprisingly high quality magazine that can easily outperform those in higher price points. Being made from polymer, this magazine is lightweight and incredibly durable with a 17th round witness hole to check for a full...

    $14.20
  • Glock® 43 Compatible Lower Parts Kit

    Glock® 43 Compatible Lower Parts Kit

    If you're building a Glock® 43 compatible pistol, you're awesome, but you'll need a lower parts kit for it. We've got you. This Glock® 43 compatible lower parts kit is brought to you by KM Tactical. It includes everything you need to turn that...

    $59.99
  • Glock® 19 Compatible Upper Parts Kit

    Glock® 19 Compatible Upper Parts Kit

    If you're going the 80% route and building yourself a gen 3 Glock® 19 compatible pistol, then you need an upper parts kit to match. So let us help you out. This Glock® 19 Compatible Upper Parts Kit is exactly what you need. It includes all the...

    $54.99
  • Glock® 17 Compatible Upper Parts Kit

    Glock® 17 Compatible Upper Parts Kit

    If you're going the 80% route and building yourself a gen 3 Glock® 17 compatible pistol, then you need an upper parts kit to match. So let us help you out. This Glock® 17 Compatible Upper Parts Kit is exactly what you need. It includes all the...

    $59.99
  • glock-compatible-19-barrel-gen-3-1 glock-compatible-19-barrel-gen-3-2 glock-compatible-19-barrel-gen-3-3 glock-compatible-19-barrel-gen-3-4 glock-compatible-19-barrel-gen-3-5

    Glock® 19 Compatible Barrel - Gen 1-4

    Replace that worn out barrel of your your gen 1-4 Glock® 19 or mid-sized Glock® compatible 19 pistol with this G19 barrel. Made with proper US craftsmanship, this Gen3 barrel boasts the highest level of quality and accuracy you’ll ever find...

    $79.99
  • 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,...

    $169.99
  • Glock® Compatible Flash Hider 3 Glock® Compatible Flash Hider 2 Glock® Compatible Flash Hider Glock® Compatible Flash Hider 6 Glock® Compatible Flash Hider 5

    Glock® Compatible Flash Hider - 9mm

    Looking to reduce the muzzle signature from your Glock® compatible build? Maybe you're looking to train at night. Maybe your sidearm is your backup while hunting. Whatever the reason, if you've got a threaded barrel, we've got your solution. This...

    $29.99
  • Glock® 17 & 19 Compatible RMR Cover Plate - Black Glock® 17 & 19 Compatible RMR Cover Plate - Black 2

    Glock® 17 & 19 Compatible RMR Cover Plate - Black

    This RMR Cover Plate fits all OEM and aftermarket GLOCK® 17, G19, and Polymer80-equivalent slides that feature a Trijicon RMR optic cut. The screw holes line up with the holes drilled for your slide's optic. Cover Plate Features 100% Made and coated...

    $16.99
  • Glock® 19 Compatible Threaded Barrel - Black

    Glock® 19 Compatible Threaded Barrel - Black

    Got the urge to enhance the performance of your Glock® 19 compatible build even further by using a threaded barrel, so you can screw on a muzzle device? Or perhaps you've got a can picked out or are planning to "DIY" a solvent trap? First off, we're...

    $79.99

Quality 80% handgun parts for the 1911, Polymer80 GLOCK®, and Sig Sauer P320 platforms.

Whether you love customizing your weapons from the ground up or you're a first-time owner ready to exercise your Second Amendment rights, these 80 percent handgun parts kits provide most tools required for assembling a completed 80% pistol frame (sold separately, fabrication required) into a truly reliable, accurate pistol. These handgun parts are designed by experienced arms makers and use only components made in the U.S.

Available Handgun Parts & Frames

These 80% parts are available for the following makes and models:

  • 1911 Government (.45, 9mm)
  • 1911 Commander (.45, 9mm)
  • Sig Sauer P320 Carry-Size
  • Sig Sauer P320 Full-Size
  • GLOCK® Series of handguns
    • PF940C is compatible with G19, G23, and G32
    • PF940v2 is compatible with G17, G22, G24, G31, G34, and G35
    • PF940SC is compatible with G26, G27

Pistol Parts Kits: What's Included

Our pistol parts kits include all the components required to assemble your fabricated 80% frame, minus a magazine. Of course, customizing a pistol from scratch is one reason why many owners choose to build their pistols in the first place. Check out our custom GLOCK slides, frame parts kits, and upgraded barrels.

State Laws Vary

Some states have restricted handgun parts and kits, like those available here. States like California require that you undergo a background check and serialize your handgun before you build it. Other states have banned 80% handguns and build kits altogether.

Please read our Shipping & Return Policy to determine if we can ship to your state. Orders placed by residents in restricted states cannot be fulfilled and will be canceled, less any restocking fees.

 Now get started! Your custom handgun build awaits.


DISCLAIMER: “GLOCK” is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. and GLOCK Ges.m.b.H. Neither 80% Lowers, a/k/a Tactical Gear Heads, LLC nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H. The use of “GLOCK” on this page is merely to advertise the sale of GLOCK pistols, parts, or components. For additional genuine GLOCK, Inc. and GLOCK Ges.m.b.H products and parts visit www.glock.com.

DISCLAIMER“Sig Sauer” is a federally registered trademark of Sig Sauer, Inc. and is one of many trademarks owned by Sig Sauer, Inc. Neither 80% Lowers, a/k/a Tactical Gear Heads, LLC nor this site are affiliated in any manner with, or otherwise endorsed by, Sig Sauer, Inc. The use of “Sig Sauer” on this page is merely to advertise the sale of Sig Sauer pistols, parts, or components. For additional genuine Sig Sauer, Inc. products and parts visit www.sigsauer.com.

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.


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.