Glock 19 Gen 3 OEM Slide

The Glock 19 Gen 3 OEM Slide is a factory-original component crafted for the Glock 19 Gen 3 pistol. Glock engineered this slide to deliver reliable performance and precision, making it a top choice for concealed carry, duty use, and customization projects.

Available in standard and MOS (Modular Optic System) configurations, this slide allows you to enhance your Glock 19 with micro red dot optics and other upgrades.

Product Description | Specs for Glock 19 Gen 3 OEM Slide

Glock machines the Gen 3 slide from durable steel and applies its trusted nDLC finish for maximum resistance to wear, corrosion, and friction. Whether you’re replacing a worn slide or building a custom Glock, this OEM slide delivers the performance you expect.

What’s Included for Complete OEM Slide

• Glock 19 Gen 3 complete slide
• Barrel
• Recoil spring assembly (RSA)
• Extractor
• Firing pin safety
• Depressor plunger assembly
• Firing pin assembly
• Rear slide plate
• Channel liner
• Glock factory sights

What’s Included for Stripped OEM Slide

• Glock 19 Gen 3 stripped slide
• Channel liner
• Glock factory sights

Note: The stripped slide does not include the barrel, RSA, or internal components.

Specifications

• Model: Glock 19 Gen 3 OEM Slide
• Finish: nDLC (black)
• Length: 6.85 inches
• Width: 1.00 inch
• Weight (without barrel or RSA): Approx. 6.17 oz
• Optic Ready: No

How to Disassemble the Glock 19 Gen 3 OEM Slide

1. Ensure the firearm is unloaded. Remove the magazine and check the chamber.
2. Pull the slide slightly rearward and pull down both takedown levers.
3. Let the slide move forward and lift it off the frame.
4. Compress and remove the recoil spring assembly.
5. Remove the barrel by lifting it out of the slide.

These steps allow you to safely disassemble the slide for cleaning or upgrades.

How to Reinstall a Glock Slide

1. Insert the barrel into the slide.
2. Install the recoil spring assembly by placing the flat end against the barrel lug and seating it into place.
3. Align the slide with the rails on the frame.
4. Pull the slide fully rearward and release it to lock into place.

After installation, perform a function check to ensure everything operates smoothly.

Cross-Compatibility with Glock 19 Slide and PSA Dagger

The Glock 19 Gen 3 slide is compatible with Gen 1, Gen 2, and Gen 3 Glock 19 frames. It also fits compatible aftermarket frames, including the PSA Dagger.

To ensure proper fit:

• Use a Gen 3 guide rod
• Match with a Gen 3 rear slide plate

Avoid using this slide with Gen 4 or Gen 5 frames, as they have different locking blocks and internal geometries.

What Is the Glock 19 Gen 3 OEM Slide Made Of?

Glock manufactures the Gen 3 slide using precision-machined steel, known for its strength and longevity. The nDLC coating improves hardness, reduces wear, and resists corrosion in harsh conditions.

The slide also features Glock’s legendary reliability and smooth cycling system, proven in military, law enforcement, and civilian use.

Customization & Modifications

The Glock 19 Gen 3 OEM slide supports a wide range of custom upgrades:

• Optics: Add a red dot sight (MOS models or custom milling)
• Sights: Upgrade to fiber optic, tritium, or suppressor-height sights
• Finish: Apply Cerakote, PVD, or other finishes for a custom look
• Serrations: Cut or modify slide serrations for better grip
• Engravings: Personalize with custom laser engraving or logos

FAQs

Q: Can I use a Gen 3 Glock 19 slide on a Gen 4 or Gen 5 frame?
Not directly. Gen 4 and Gen 5 slides have different internals and frame dimensions. Modifications would be needed, and compatibility is not guaranteed.

Q: Will this slide fit the PSA Dagger frame?
Yes. The Glock 19 Gen 3 slide is compatible with the PSA Dagger frame. Use Gen 3 parts for best results.

Q: Does this slide come optic-ready?
Only MOS models come with a factory optic cut. Standard models do not have an optic mount.

Q: How often should I clean and lubricate the slide?
Glock recommends cleaning and lubricating the slide after each use. If stored, service it at least monthly to keep it in top condition.

Q: Will customizing the slide void Glock’s warranty?
Yes. Any permanent modifications like milling or refinishing can void the warranty. Stick with OEM specs if you want to keep warranty protection.

Q: Can I legally convert this slide for full-auto use?
No. Converting a Glock to fully automatic is illegal under federal law and carries severe penalties. Do not attempt it.

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.