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GLOCK® Parts

30 of 51 Items
  • Sale
    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 4 Glock® 17 Compatible Slide w/ Rear Serration - Black 5

    Glock® 17 Compatible Slide w/ Rear Serration - Black

    This OEM-style, GLOCK® 17-Compatible Custom Slide features rear serrations and is compatible with all Gen 3 factory frames. Finishing up a 80% full-sized pistol frame? This is the stripped slide you need to get the job done. Machined from quality 416...

    Was: $169.99
    Now: $139.99
  • 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

    The LFA Elite Glock® 43 Compatible Slide in the FDE color is a great-looking way to make your build really stand out. Designed from heat treated 416R stainless steel, this eye-catching slide is extremely durable. It features an elite series cerakote...

    Was: $224.99
    Now: $179.99
  • Sale
    Glock® 17 Compatible Barrel - TiN

    Glock® 17 Compatible Barrel - TiN

    Make your Glock® 17 or compatible build look like it was forged in the fires of the ancient Greek Mount Olympus by Hephaestus himself by adding a barrel coated in titanium nitride, or TiN. Exact some godlike vengeance on paper targets with accuracy...

    Was: $109.99
    Now: $89.97
  • Sale
    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 4

    Glock® 43 Compatible Slide - LFA Elite Black

    The LFA Elite Glock® 43 Compatible Slide is crafted from heat-treated 416R stainless steel for extreme durability. Its finish was done with Elite Series cerakote and heat-treated at RC 45-48. The LFA Elite is compatible with Glock® OEM,...

    Was: $224.99
    Now: $179.99
  • Sale
    Glock® Compatible Non-Adjustable Pyramid Trigger - Black

    Glock® Compatible Non-Adjustable Pyramid Trigger - Black

    The Glock® compatible pistol fits into the category of "most customizable pistols ever." You can upgrade, replace, or otherwise swap out every single part. But before you fix yours up to truly make it your own, start with an upgrade that makes sense,...

    Was: $199.99
    Now: $114.97
  • Lower Parts Kit for Glock® 17 Compatible Pistol

    Lower Parts Kit for Glock® 17 Compatible Pistol

    So you're ready to build a 3rd gen Glock® 17 compatible full-sized pistol. You've completed the first step of getting your Glock® 17 compatible 3rd gen full-sized frame ready to go. Now comes the part where you track down all the internal parts...

    $44.99
  • 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 one of the most affordable magazines that can give those in higher price points a run fort their money. With a complete polymer construct, this magazine is lightweight and extremely rugid and even comes with a 17th round...

    $19.99
  • Complete RMR Slide Assembly for Glock® 21 Complete RMR Slide Assembly for Glock® 21 Complete RMR Slide Assembly for Glock® 21 Complete RMR Slide Assembly for Glock® 21 Complete RMR Slide Assembly for Glock® 21

    Complete RMR Slide Assembly for Glock® 21

    This optic-ready slide assembly is the perfect way to finish off your Polymer80 .45 ACP build, or upgrade your current Gen 3 G21 pistol. With front and rear serrations, iron sight mounts, and an RMR footprint, this slide is ready for your favorite reflex...

    $269.99
  • Complete RMR Slide Assembly for Glock® 17 2 Complete RMR Slide Assembly for Glock® 17 3 Complete RMR Slide Assembly for Glock® 17 4 Complete RMR Slide Assembly for Glock® 17 Complete RMR Slide Assembly for Glock® 17 5

    Complete RMR Slide Assembly for Glock® 17

    This optic-ready slide assembly is the perfect way to finish off your Polymer80 PF940v2 build, or upgrade your current Gen 3 G17 pistol. With front and rear serrations, iron sight mounts, and an RMR footprint, this slide is ready for your favorite reflex...

    $239.99
  • Lower Parts Kit for Glock® 21 Compatible Pistol

    Lower Parts Kit for Glock® 21 Compatible Pistol

    Ready to assemble your PF45 or G21 frame? Grab this kit. This Gen 3 GLOCK® compatible lower parts kit is specifically designed for G21 pistols and Polymer80 PF45 frames. It features OEM-spec components to ensure reliability and an easy installation...

    $74.99
  • Glock® 17 Compatible Upper Parts Kit

    Glock® 17 Compatible Upper Parts Kit

    If you've decided on the 80% route to build yourself a gen 3 Glock® 17 compatible pistol, then you gotta get an upper parts kit to match. We can assist you with that. Glock® 17 Compatible Upper Parts Kit is just what you need. It comes with all...

    $59.99
  • Glock® 17 Compatible Threaded Barrel - Black

    Glock® 17 Compatible Threaded Barrel - Black

    Got plans to improve the performance of your Glock® 17 compatible build even further by going with a barrel, to allow you to install a muzzle device? Or perhaps you've got a suppressor picked out or are planning to do a solvent trap build? First off,...

    $69.99
  • 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 - .45acp 4 Glock® 21 Compatible RMR Cut Slide - .45acp 5

    Glock® 21 Compatible RMR Cut Slide - .45 ACP

    Gen 3 compatible. RMR optic-cut. Ready for your PF45 build. Completing a Polymer80 frame? Ready to upgrade your Gen 3 GLOCK® 21 and throw a red dot on it? This Glock® 21-Compatible, RMR-cut slide is the ticket. It's cut from 416R stainless,...

    $169.99
  • ROOK Tactical Rear Rail System (Polymer80 PF45)

    ROOK Tactical Rear Rail System (Polymer80 PF45)

    Upgrade your Polymer80 PF45's sticky slide with a precision Rear Rail. The ROOK Tactical Rear Rail System is precision-cut from billet 17-4 stainess steel, ensuring a perfect fit with perfect slide functionality. This easy drop-in upgrade takes just a...

    $49.99
  • Glock® 17 Compatible Slide w/ RMR Optic Cut Slide Glock® 17 Compatible Slide w/ RMR Optic Cut Slide 2 Glock® 17 Compatible Slide w/ RMR Optic Cut Slide 3 Glock® 17 Compatible Slide w/ RMR Optic Cut Slide 4 Glock® 17 Compatible Slide w/ RMR Optic Cut Slide 5

    Glock® 17 Compatible Slide w/ RMR Optic Cut Slide

    When building your Glock® 17 pistol, you'll want to ensure that it not only shoots accurately, but can be simple to aim. Well, this slide comes with an RMR cut, so you can add a sight of your preference. It features a  front- and rear-cut slide...

    $149.99
  • Glock® Compatible Barrel Thread Protector - 9mm

    Glock® Compatible Barrel Thread Protector - 9mm

    Having a threaded barrel on your 9mm Glock® compatible pistol doesn't mean you have to have a muzzle device or suppressor attached at all times. Sometimes, for storage or EDC, or whatever the case may be, you find a reason to take the attachment off...

    $19.99
  • 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®...

    $104.99
  • Firing Pin Channel Liner For Glock®

    Firing Pin Channel Liner For Glock®

    This OEM firing pin channel liner fits all GLOCKs. Not required for GLOCK® 42 or G43. The firing pin channel liner's a critical component of any GLOCK® or Polymer80 slide. This liner is considered a single-use component; removal requires...

    $5.99
  • Glock® Compatible Competition Spring Kit

    Glock® Compatible Competition Spring Kit

    So you're saying you're not exactly like me as a gen 1-4 Glock® compatible shooter? So you're saying your performance preferences aren't exactly like mine? Well, I guess you could always customize the crap out of your gen 1-4 Glock® compatible...

    $14.99
  • Glock® 17 Compatible Barrel - Gen 3 5 Glock® 17 Compatible Barrel - Gen 3 6 Glock® 17 Compatible Barrel - Gen 3 Glock® 17 Compatible Barrel - Gen 3 2 Glock® 17 Compatible Barrel - Gen 3 3

    Gen 3 Glock® 17 Compatible Barrel

    Give that gen 3 Glock® 17 or full-sized Glock® compatible 17 pistol an upgrade with this G17 barrel. Made with proper US craftsmanship, this Gen3 barrel boasts the highest level of quality and accuracy you’ll ever find in any full-sized...

    $69.99
  • LFA Elite Black Glock® 17 Compatible Slide 1 LFA Elite Black Glock® 17 Compatible Slide 2 LFA Elite Black Glock® 17 Compatible Slide 3 LFA Elite Black Glock® 17 Compatible Slide 4

    LFA Elite Black Glock® 17 Compatible Slide

    The LFA 17 Elite Slide is designed out of 416 stainless steel, which is heat treated at 38-42 HRC for ultimate strength and durability. This slide is lightweight with a smoother ejection compared to others and available with multiple aftermarket...

    $209.99
  • Glock® Compatible 6.0 lb Trigger Spring – Gen 1-4

    Glock® Compatible 6.0 lb Trigger Spring - Gen 1-4

    You've gotten used to your gen 1-4 double-stack Glock® Compatible pistol's trigger and even think it performs adequately; you'd just like it to be a touch smoother and maybe a tiny bit lighter. No worries, we can help you out with the Glock®...

    $3.99
  • LWD Glock® Compatible Connector - 3.5 lb LWD Glock® Compatible Connector - 3.5 lb 2 LWD Glock® Compatible Connector - 3.5 lb 3 LWD Glock® Compatible Connector - 3.5 lb 4 LWD Glock® Compatible Connector - 3.5 lb 5

    LWD Glock® Compatible Connector - 3.5 lb

    If you're building a double-stack Glock® compatible pistol (model "who cares," gen "so what"), and you've learned enough to know you want a better feel to your trigger than what the OEM or factory slop provides, this is your first step. This is the...

    $14.95
30 of 51 Items

Factory and P80-compatible GLOCK® parts at the right price.

Maybe you want to upgrade your current GLOCK®, or change your current caliber. You can do that with a quality GLOCK®-compatible parts kit. These kits include all parts required to assemble your fabricated P80 or factory frame. These kits provide the same reliability and accuracy you expect from a pistol produced in Austria or the states.

GLOCK® Parts Kits: What's Included?

Each G-marked kit includes the following parts, necessary to assemble a finished 80% P80 frame or stripped GLOCk® frame. These kits, in addition to your frame and its included locking block rail system (LBRS) and rear rail module (RRM) provide all parts necessary for final assembly, minus sights and a magazine. Pistol build kit parts include:

Slide Assembly Parts

  • Slide
  • Barrel
  • Cover plate
  • Channel Liner
  • Depressor Plunger
  • Depressor Plunger Spring
  • Firing pin and firing pin safety
  • Firing pin safety spring
  • Pin spacer sleeve

Frame/"Lower" Parts

  • Trigger
  • Trigger bar
  • Trigger housing
  • Ejector preinstalled
  • Trigger spring
  • Trigger pin
  • Trigger housing pin
  • Connector
  • Slide lock + spring
  • Slide stop lever + spring
  • Magazine release + spring

Kit Features & Upgrades

416R Stainless Barrel. The barrel included with each kit is precisely forged and cut from Crucible 416R stainless, one of the best gun steels available on the market. Featuring a 1:10 twist rate with 11-degree target crown and nitride treatment, your barrel will provide superior accuracy, wear, and lifespan.

17-4 PH Stainless Slide. Nitride- and heat-treated to obtain a hardness rating of 41-44 on the Rockwell C scale, your front- and rear-cut slide provides ergonomics, better control, and complete protection from corrosion and rust in the most unforgiving environments. Included open-leaf glow sights provide optimal sight picture in day and night conditions, making this slide perfect for the range, competition, and concealed carry.

Factory-spec parts kits. GLOCK® components are the most reliable, so it only makes sense to outfit each with kit 100% factory-spec parts, ensuring your build can be assembled without a hitch and will function with completely dependability for thousands of rounds.

State Laws Vary

Some states have banned certain firearm parts, and other products we sell. We cannot ship any products or fulfill any orders to those states. Check your local and state laws, and please confirm whether we can ship to your state before ordering.

 


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 GunBuilders.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.

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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.