Yes — a slide for the Glock 19 fits a Glock 17 frame, as long as both are the same generation (Gen 3 with Gen 3, Gen 4 with Gen 4). The Glock 19 slide is shorter than the frame rails, so it sits flush and cycles normally. The reverse is not true: a Glock 17 slide overhangs the front of a Glock 19 frame and will not run reliably. Below we break down exactly which slide parts swap between the two, which ones don't, and how to use that flexibility when you upgrade.
At 3CR Tactical, our Glock experts examine the similarities and differences between the slide parts of these popular handgun models. Which slide parts can you substitute between the Glock 17 & Glock 19?
Which slide parts can’t be swapped between the Glock 19 and 17? Continue reading to improve your ability to upgrade and maintain your slide and its parts.
Can You Use a Glock 19 Slide on a Glock 17 Frame?
Yes, you can use a Glock 19 slide on a Glock 17 frame. Both the G17 and G19 are similar in size and shape, meaning they share many parts, including the slide.
While some of the internal components are different between the two models, most aftermarket slides that are designed for one, often fit both frames.
Which Parts are Interchangeable Between the G17 & G19?
According to GLOCK, the “larger component parts of any GLOCK pistol…are interchangeable between different models.” These include:
- The Frame
- The Slide
- The Stock
In fact, the same article explains that “most” internal components can be substituted as well. Always confirm that this applies to the specific generation of your pistol.
This ensures that you have the most current information. At 3CR Tactical, our Glock experts are always available to speak with you about your distinct Glock.
Which Parts CANNOT Be Swapped Between the G17 & G19?
The ejector, trigger housing, and locking block of your Glock 17 and 19 may not be interchangeable. If you want to change the overall size of your pistol, then these components must also be swapped out.
It’s advisable to hire a qualified gunsmith to have each part fitted. These professionals understand how each piece works together, which ensures reliability when switching components.
How to Install a Glock 17/Glock 19 Slide Parts Kit
Glock 17 and 19 slides are interchangeable, which means you can switch them between the two models. To do this, you may need to purchase a slide parts kit.
To install the Glock 17/Glock 19 slide parts kit on your pistol frame:
- First, field strip your pistol by removing all components from the frame and remove any remaining small parts, such as pins or springs.
- Next, install each component of your new slide onto its corresponding part on your frame (barrel assembly first).
- Make sure everything is properly installed before reassembling your pistol with all components in place.
- Finally test fire it safely at a range to ensure that it operates properly.
For more information, see Installing Glock 17/19 Slide Parts Kit on the 3CR Tactical blog.
Find the Best Slides for Your Glock 17 & 19 at 3CR Tactical
Understanding which parts are interchangeable maximizes your ability to upgrade and maintain your handgun.
To find the best slides, parts, and upgrades for your Glock 17 or Glock 19, reach out to our team today.
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