Glock 19 Gen 5 MOS OEM Slide

The Glock 19 Gen 5 MOS OEM Slide is a factory-original upgrade built for versatility and performance. Designed for the Glock 19 Gen 5 platform, this slide includes Glock’s Modular Optic System (MOS), giving you the ability to mount red dot optics with ease.

Whether you carry daily or build custom setups, this slide delivers reliability and precision straight from the factory.

Product Description | Specs for Glock 19 Gen 5 MOS OEM Slide

Glock manufactures this slide using high-strength steel, then coats it with its signature nDLC finish for maximum durability. The slide resists corrosion, reduces wear, and stays smooth under heavy use. It’s pre-cut for optics and ready to handle your red dot of choice.

What’s Included with the Complete OEM Slide

• Glock 19 Gen 5 MOS complete slide
• Factory barrel
• Recoil spring assembly (RSA)
• Firing pin assembly
• Extractor
• Firing pin safety
• Depressor plunger assembly
• Rear slide plate
• Channel liner
• Factory Glock sights

What’s Included with the Stripped OEM Slide

• Glock 19 Gen 5 MOS slide (stripped)
• Channel liner
• Factory Glock sights

Note: Stripped slides do not include barrel, RSA, or internal upper parts.

Specifications

• Model: Glock 19 Gen 5 MOS OEM Slide
• Finish: nDLC (black)
• Length: 6.85 inches
• Width: 1.00 inch
• Weight (without barrel/RSA): Approx. 6.17 oz
• Optic Ready: Yes (MOS cut)

How to Disassemble a Glock 19 Gen 5 MOS OEM Slide

1. Clear the firearm. Remove the magazine and check the chamber.
2. Remove the slide. Pull it slightly back, then pull down both takedown levers. Let the slide move forward and remove it.
3. Take out the recoil spring. Compress it slightly, then lift it out.
4. Remove the barrel. Lift and slide it out of the slide body.

Now your slide is fully disassembled for cleaning or part swaps.

How to Install a Glock Slide

1. Insert the barrel into the slide.
2. Seat the recoil spring assembly against the barrel lug.
3. Align the slide with the rails on the frame.
4. Pull the slide all the way back and release it to lock it in place.

Always perform a function check after installation to ensure smooth operation.

Compatibility with Glock 19 Frames and PSA Dagger

Yes, the Glock 19 Gen 5 MOS slide works with other Glock 19 Gen 5 frames and PSA Dagger frames.
However, you may need:

• A Gen 5 rear slide plate
• A Gen 5 guide rod for optimal performance

Check for proper fit before use.

What Is the Glock 19 Gen 5 MOS OEM Slide Made Of?

Glock builds the slide from precision-machined steel and applies a hard-wearing nDLC finish. This combo boosts surface hardness, reduces friction, and protects against rust. Glock also includes its tested internal safeties and cycling system to ensure consistent, smooth operation.

Customization & Modifications

You can personalize the Glock 19 Gen 5 MOS slide with several upgrades:

• Optics: Install micro red dots directly into the MOS cut.
• Sights: Swap in night sights or fiber optic options.
• Finish: Add Cerakote or custom coatings for a unique look.
• Serrations: Enhance grip with custom serration cuts.
• Engraving: Add logos or designs to make it yours.

FAQs

Q: Can I mount a red dot on the Glock 19 Gen 5 MOS slide?
Yes. The MOS cut supports many popular red dot optics. Adapter plates may be required depending on the optic.

Q: Is it compatible with Gen 3 or Gen 4 Glock 19 frames?
No. Gen 5 slides include ambidextrous features and internal changes that don’t match Gen 3 or Gen 4 frames.

Q: Will it fit a PSA Dagger frame?
Yes, with a Gen 5 rear slide plate and guide rod.

Q: Does modifying the slide void Glock’s warranty?
Yes. Any non-factory modification, like milling or coating, can void your warranty.

Q: How often should I replace the recoil spring?
Glock recommends replacing it every 3,000 to 5,000 rounds.

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.