Glock 20 Complete OEM Slide

Upgrade or restore your Glock 20 with a complete OEM slide built for power, durability, and dependable performance. Designed to handle the demands of the 10mm platform, this factory-spec slide delivers smooth cycling, consistent lockup, and long service life for range, duty, or defensive use.

Product Description | Specs for Glock 20 Complete OEM Slide

Glock manufactures the Glock 20 complete slide to strict factory specifications, ensuring seamless compatibility with Glock 20 frames and components. Precision-machined from high-strength steel and finished with Glock’s durable factory coating, this slide resists wear and corrosion while maintaining reliable function under heavy use.

This complete slide arrives fully assembled, making it ideal for quick replacements, upgrades, or restoring your pistol to factory condition.

What’s Included For Glock 20 Complete OEM Slide

A complete OEM slide comes fully assembled and ready to install. It typically includes:

• Glock 20 OEM 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)
• OEM sights (polymer or steel, supplier dependent)

Specifications

• Model: Glock 20 Slide
• Manufacturer: Glock (OEM)
• Material: Heat-treated steel
• Finish: Glock factory finish (nDLC or equivalent)
• Caliber: 10mm Auto
• Compatibility: Glock 20 frames and components
• Serrations: Factory rear serrations (front serrations variant dependent)
• Optics Cut: No (standard OEM slide unless specified)
• Sights: OEM Glock pattern (varies by package)

How to Install a Glock 20 Complete Slide

Install the Slide

• Confirm the firearm is unloaded and clear
• Remove the existing slide from the frame
• Install or confirm the barrel and recoil spring assembly are in place
• 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 to verify trigger reset
• Insert an empty magazine to confirm slide lock

(Follow Glock armorer guidelines when installing components.)

How To Disable a Glock 20 Slide

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

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

Compatibility

• Fits: Glock 20 frames
• Barrels: Glock 20 standard or threaded barrels (10mm)
• Recoil System: Glock 20 recoil spring assembly
• Sights: Glock OEM-pattern sights

Note: Ensure compatibility with your specific generation (Gen 3, Gen 4, etc.) before purchase.

What’s the Glock 20 Complete OEM Slide Made Of?

Glock machines this slide from high-strength steel and applies a durable factory finish to resist corrosion, wear, and harsh conditions. Precision engineering ensures proper striker alignment, extractor function, and consistent cycling for reliable long-term performance.

Customization Options

• Sights: OEM, steel, night sights, or fiber optics
• Barrels: Standard or threaded 10mm Glock 20 barrels
• Internal Parts: OEM or high-quality aftermarket upgrades
• Finish Mods: Cerakote or refinishing services

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

FAQs

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

Q: Will this fit all Glock 20 models?
It fits Glock 20 frames of the same generation. Always verify compatibility before purchase.

Q: Does this slide include a barrel and recoil spring?
Availability may vary. Confirm package details prior to purchase.

Q: Can I add an optic to this slide?
This is a standard slide without an optics cut. Milling is required for optic installation.

Q: Does this maintain factory reliability?
Yes. When used with compatible 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.