Glock 17L MOS Gen 5 Complete Slide

Upgrade or replace your Glock 17L with a factory-style MOS Gen 5 complete slide that delivers enhanced accuracy, extended sight radius, and optics-ready performance. Designed for precision shooting and competition use, this long slide configuration offers smooth cycling, improved balance, and reliable function you can trust on the range or in duty applications.

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

Manufactured to strict factory specifications, the Glock 17L MOS Gen 5 complete slide ensures seamless compatibility with Gen 5 frames and internals. The extended slide length increases sight radius for improved accuracy, while the MOS (Modular Optic System) cut allows you to easily mount compatible red dot optics.

Precision-machined from high-strength steel and finished with a durable nDLC coating, this slide provides excellent wear resistance, corrosion protection, and consistent performance with factory and quality aftermarket ammunition.

What’s Included For Glock 17L MOS Gen 5 Complete Slide

A complete slide arrives fully assembled and ready to install on a compatible frame. It typically includes:

• Glock 17L MOS Gen 5 complete slide
• OEM striker (firing pin) assembly
• OEM striker safety and spring
• OEM extractor
• OEM extractor depressor plunger and spring
• OEM slide cover plate
• OEM channel liner (installed)
• MOS optics cut with cover plate
• OEM sights (polymer or steel, supplier dependent)

Specifications

• Model: Glock 17L MOS Gen 5 Slide
• Manufacturer: Glock (OEM pattern)
• Material: Heat-treated steel
• Finish: Glock nDLC finish
• Caliber: 9mm Luger
• Compatibility: Glock 17L Gen 5 frames and components
• Serrations: Front and rear serrations
• Optics Cut: Yes (MOS system)
• Sights: Glock OEM pattern (varies by package)

How to Install a Glock 17L MOS Gen 5 Slide

Install the Slide

• Confirm the firearm is unloaded and clear
• Remove the existing slide from the frame
• Install or transfer the barrel and recoil spring assembly (if not included)
• Align the slide with the frame rails and guide it into position

Function Check

• Rack the slide to ensure smooth operation
• Perform a dry-function check for proper trigger reset
• Insert an empty magazine to confirm slide lock

(Always follow manufacturer or armorer guidelines when installing components.)

How To Disable a Glock 17L MOS Gen 5 Slide

• Remove the slide assembly from the frame
• Store the slide and frame separately
• Remove and secure all magazines
• Use a cable or trigger lock through the frame
• Store ammunition in a separate locked location

For permanent modifications or compliance, consult a licensed gunsmith or FFL.

Compatibility

• Fits: Glock 17L Gen 5 frames
• Barrels: Glock 17L Gen 5 standard or threaded barrels
• Recoil System: Gen 5 recoil spring assembly
• Optics: Compatible with MOS adapter plates and red dot optics
• Sights: Glock OEM-pattern sights

Note: Designed specifically for Gen 5 models. Do not mix with Gen 3 or Gen 4 components without verified compatibility.

What’s the Glock 17L MOS Gen 5 Slide Made Of?

The slide is machined from high-strength steel and treated with Glock’s nDLC finish for superior durability, corrosion resistance, and reduced friction. Precision engineering ensures proper striker alignment, extractor function, and consistent lockup for long-term reliability.

Customization Options

• Optics: MOS-compatible red dot sights
• Sights: OEM, night sights, or fiber optic options
• Barrels: Standard or threaded Glock 17L barrels
• Internal Parts: OEM or premium aftermarket upgrades
• Finish Mods: Cerakote or refinishing services

Note: Modifications may affect reliability or warranty. Always test after changes.

FAQs

Q: Is this a complete slide?
Yes. It comes fully assembled with internal components and is ready to install.

Q: Does this slide support optics?
Yes. It features the MOS cut for mounting compatible red dot optics.

Q: Will this fit other Glock models?
No. It is designed specifically for Glock 17L Gen 5 frames.

Q: Are MOS plates included?
Availability may vary. Confirm package details before purchase.

Q: Does this maintain factory reliability?
Yes. When paired with compatible Gen 5 components, it delivers consistent, factory-level performance.

DISCLAIMER

Factoryoemsupply.com provides aftermarket and compatible parts 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 related marks. We use “GLOCK” only to identify parts compatible with Glock pistols.