Glock 17L Gen 5 MOS OEM Slide

Upgrade your Glock 17L with the Glock 17L Gen 5 MOS OEM Slide — a long-slide, competition-focused upgrade that combines extended precision with modern Gen-5 enhancements. Designed by Glock, this optic-ready slide delivers superior sight radius, improved accuracy, and seamless red-dot integration for high-performance shooting.

Product Description | Specs for Glock 17L Gen 5 MOS OEM Slide

Glock manufactures this extended slide from high-strength steel and coats it with a durable nDLC (diamond-like carbon) finish for exceptional wear and corrosion resistance. The MOS (Modular Optic System) cut allows easy mounting of popular micro red-dot optics using included adapter plates.

What’s Included For Complete OEM Slide

• Glock 17L Gen 5 MOS slide (fully assembled)
• Glock Marksman Barrel (extended, model-specific)
• Recoil spring assembly (RSA)
• Extractor
• Firing pin assembly & firing pin safety
• Depressor plunger assembly
• Rear slide plate (Gen 5 style)
• Channel liner
• Factory front & rear sights
• MOS adapter plate set and mounting screws

What’s Included For Stripped OEM Slide

• Glock 17L Gen 5 MOS stripped slide
• Channel liner
• Factory front & rear sights
• MOS adapter plate set and screws

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

Specifications

• Model: Glock 17L Gen 5 MOS OEM Slide
• Material: Hardened steel
• Finish: nDLC (black, low-glare)
• Slide Length: Long-slide (extended competition length)
• Slide Width: Approx. 1.00 in (25.5 mm)
• Weight (stripped): Heavier than standard slides due to extended length
• Caliber: 9mm Luger (with proper barrel)
• Optic Ready: Yes — MOS configuration (adapter plates included)
• Serrations: Front and rear (factory)

How to Disassemble a Glock 17L Gen 5 Slide

1. Ensure the firearm is unloaded and remove the magazine.
2. Pull the slide slightly rearward and depress both takedown levers.
3. Release the slide forward and remove it from the frame.
4. Remove the recoil spring assembly.
5. Lift the barrel out of the slide.

Now the slide is ready for cleaning, inspection, or maintenance.

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 onto the frame rails.
4. Pull the slide fully rearward and release to lock it in place.
5. Mount your optic using the correct MOS plate and screws, then perform a function check.

Compatibility

This slide is designed for Glock 17L Gen 5 frames and Gen-5 compatible parts. It is not intended for Gen-3 or Gen-4 frames without modification. Always use Gen-5 components for optimal reliability.

Materials & Finish

Constructed from hardened steel and finished with Glock’s nDLC coating, this slide provides enhanced durability, reduced friction, and excellent resistance to corrosion—ideal for competition and high-volume shooting.

Customization Options

• Optics: Compatible with Trijicon, Holosun, Shield, and other MOS-supported optics
• Sights: Upgrade to suppressor-height, fiber-optic, or night sights
• Finish: Custom Cerakote options available (may affect warranty)
• Milling/Engraving: Additional customization by qualified gunsmiths

FAQs

Q: Does the slide include MOS adapter plates?
A: Yes — factory MOS slides include adapter plates and mounting hardware.

Q: What is the advantage of the 17L long slide?
A: The extended length improves sight radius, accuracy, and recoil control.

Q: Is this compatible with earlier Glock generations?
A: No — it is specifically designed for Gen-5 platforms.

Q: Can I use aftermarket optics with this slide?
A: Yes — as long as they match MOS plate compatibility.

Q: Does the stripped version include sights?
A: Yes — most stripped slides include factory sights and a channel liner.

DISCLAIMER:

GlockSlides.us offers aftermarket and compatible slides and components for GLOCK pistols. We are not affiliated with Glock, Inc. “GLOCK” is a registered trademark used for identification purposes only.