Glock 19X MOS OEM Slide

The Glock 19X MOS OEM Slide combines military-proven performance with modern optics compatibility. Designed specifically for the Glock 19X, this slide gives you the power of a full-size frame and the agility of a compact slide—all while supporting red dot sights through its Modular Optic System (MOS).

Whether you’re building a custom carry pistol or replacing a worn slide, this OEM part delivers factory-grade reliability and performance you can count on.

Product Description | Specs for Glock 19X MOS OEM Slide

Glock machines this slide from premium steel and coats it with their signature nDLC finish for superior wear resistance and corrosion protection. The slide includes precision-milled front and rear serrations and features a MOS cutout for mounting micro red dot optics. It’s fully compatible with Glock 19X internals and factory sight options.

What’s Included for Complete OEM Slide

• Glock 19X MOS complete slide
• OEM barrel
• Recoil spring assembly (RSA)
• Extractor
• Firing pin assembly
• Firing pin safety
• Depressor plunger assembly
• Rear slide plate
• Channel liner
• Glock factory sights
• MOS adapter plate cover

What’s Included for Stripped OEM Slide

• Glock 19X MOS stripped slide
• Channel liner
• Glock factory sights

Note: Does not include barrel, RSA, or upper internal parts.

Specifications

• Model: Glock 19X MOS OEM Slide
• Finish: nDLC (Coyote Brown)
• Length: 6.85 inches
• Width: 1.00 inch
• Weight (without barrel/RSA): Approx. 6.17 oz
• Optic Ready: Yes (MOS cut included)

How to Disassemble a Glock 19X MOS OEM Slide

1. Make sure the pistol is unloaded. Remove the magazine and check the chamber.
2. Slightly pull back the slide and hold it while pulling down the takedown levers.
3. Let the slide move forward and remove it from the frame.
4. Compress and remove the recoil spring assembly.
5. Lift the barrel out of the slide.

Now your slide is fully disassembled for cleaning or customization.

How to Install a Glock Slide

1. Drop the barrel into the slide.
2. Seat the recoil spring assembly against the barrel lug.
3. Align the slide with the frame rails.
4. Pull the slide fully rearward and release it.

Always perform a function check after reassembly to ensure everything works properly.

Compatibility with Glock 19 and PSA Dagger

The Glock 19X MOS OEM slide works best with Glock 19X frames. It also fits standard Glock 19 Gen 5 frames and the PSA Dagger, though the Dagger may require minor modifications for perfect fit and function.

What Are Glock 19X MOS Slides Made Of?

Glock builds this slide from precision-machined steel and finishes it with nDLC for added durability, smoother cycling, and corrosion resistance. The slide’s geometry ensures reliable feeding, extraction, and consistent performance, even in high-round-count training or self-defense situations.

Customization Options

The 19X MOS slide is an ideal base for upgrades:

• Optics: Mount micro red dot sights using included MOS cutout.
• Sights: Replace Glock factory sights with night sights or fiber optics.
• Finish: Apply custom Cerakote or coatings for a personalized look.
• Serrations: Enhance grip by modifying front and rear serrations.
• Engravings: Add logos or designs for a unique touch.

FAQs

Q: Does the 19X MOS slide work with Gen 5 Glock 19 frames?

Yes, the 19X MOS slide fits Gen 5 Glock 19 frames perfectly.

Q: Can I install this slide on a PSA Dagger?

Yes, the slide fits the PSA Dagger frame, though slight modifications may improve fit and function.

Q: Does the MOS cutout include optic plates?

Some slides ship with MOS adapter plates, while others may not. Check product details before purchase.

Q: Is this slide compatible with Glock Gen 3 or Gen 4 frames?

No. Gen 5 slides include design changes that prevent compatibility with earlier generations.

Q: Will custom milling or coating void the Glock warranty?

Yes. Any aftermarket modification, including milling or refinishing, can void the manufacturer’s warranty.

DISCLAIMER

GlockSlide.us provides aftermarket and compatible slides and components for GLOCK pistols. We operate independently and do not represent, endorse or have any connection with GLOCK, Inc. or GLOCK Ges.m.b.H.

GLOCK, Inc. and GLOCK Ges.m.b.H own the trademark “GLOCK” and other related marks. We mention “GLOCK” only to identify parts and products that fit or work with GLOCK pistols.