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GLOCK® Parts

  • Glock® OEM Adjustable Rear Sight Glock® OEM Adjustable Rear Sight 2 Glock® OEM Adjustable Rear Sight 3

    Glock® OEM Adjustable Rear Sight

    GLOCK's® adjustable factory rear sight. Includes adjustment tool. Dialing in your finished Polymer80 or factory GLOCK® is now easier, thanks to the OEM adjustable rear sight. With bright white target lines and an easy-to-adjust set screw, the...

    $25.99
  • Glock® OEM Front Sight Glock® OEM Front Sight 2 Glock® OEM Front Sight 3

    Glock® OEM Front Sight

    Finish your frame with a factory GLOCK® Front Sight. Ready to finish your P80 frame? Or need to swap out your factory pistol's front sight? Grab the OEM Steel Front Sight. This simple, universal-fit sight is compatible with all GLOCK® models...

    $14.99
  • Glock® 26 Compatible Lower Parts Kit

    Glock® 26 Compatible Lower Parts Kit

    So you got your frame, slide, and sights picked out, all based on your preference. Now you need the parts that'll bring life to your 3rd Gen pistol, and we've got you covered... well for the bottom half at least, with this GLOCK® 26 Compatible Lower...

    $49.99
  • Glock® Bench Mat

    Glock® Bench Mat

    The Glock® is famous for being durable and a workhorse. This bench mat is certainly just as durable. It is a must have for any Glock® owner! This heavy-duty, rubber bench mat is the icing on the cake to your work bench. The mat's oil resistant...

    $11.99
  • 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 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® 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
  • RMR Optic Cut Slide - Glock® 19 Compatible Slide-1 RMR Optic Cut Slide - Glock® 19 Compatible Slide-2 RMR Optic Cut Slide - Glock® 19 Compatible Slide-3 RMR Optic Cut Slide - Glock® 19 Compatible Slide-4 RMR Optic Cut Slide - Glock® 19 Compatible Slide-5

    RMR Optic Cut Slide - Glock® 19 Compatible Slide

    The Aim Surplus 2S RMR Cut Slide is made out of a durable 416 stainless steel slide coated with a black diamond carbon finish. The 2S has double serrations and Trijicon RMR base pattern cut designed for peak performance. Additionally, this slide is...

    $174.99
  • 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
  • Complete RMR Slide Assembly for Glock 19 2 Complete RMR Slide Assembly for Glock 19 3 Complete RMR Slide Assembly for Glock 19 4 Complete RMR Slide Assembly for Glock 19 Complete RMR Slide Assembly for Glock 19 5

    Complete RMR Slide Assembly for Glock® 19

    This optic-ready slide assembly is the perfect way to finish off your Polymer80 PF940C build, or upgrade your current Gen 3 G19 pistol. With front and rear serrations, iron sight mounts, and an RMR footprint, this slide is ready for your favorite reflex...

    $249.99
  • Glock® 19 Compatible Threaded Barrel - Black

    Glock® 19 Compatible Threaded Barrel - Black

    Got plans to improve the performance of your Glock® 19 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,...

    $79.99
  • 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
  • gen-3-glock-19-compatible-barrel-2 gen-3-glock-19-compatible-barrel-1 gen-3-glock-19-compatible-barrel-3 gen-3-glock-19-compatible-barrel-4 gen-3-glock-19-compatible-barrel-5

    Gen 1-4 Glock® 19 Compatible Barrel

    Give that gen 1-4 Glock® 19 or mid-sized Glock® compatible 19 pistol an upgrade with this G19 barrel. Made with proper US craftsmanship, this Gen 1-4 barrel boasts the highest level of quality and accuracy you’ll ever find in any full-sized...

    $79.99
  • 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
  • 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,...

    $26.99
  • 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

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.