Glock 22 Gen 5 MOS OEM Slide

Glock 22 Gen 5 MOS OEM Slide – $289.99+

The Glock 22 Gen 5 MOS OEM Slide is the factory-spec optics-ready slide for Glock’s full-size .40 S&W duty pistol — the platform that served as the standard-issue sidearm for countless law enforcement agencies for two decades. The Gen 5 version brings the Marksman Barrel, nDLC finish, and a factory MOS cut for modern red dot optics. Available as a stripped slide shell or a complete assembly starting from $289.99.

The Duty-Ready .40 S&W Platform, Modernized

The G22 was the dominant .40 S&W duty pistol of the 2000s — chosen by more law enforcement agencies than any other platform. The Gen 5 version refines that proven design with the Marksman Barrel, updated internal geometry, and the factory MOS optic cut. This slide carries all of those refinements in a factory-spec package that maintains the reliability the .40 S&W duty platform is known for.

Key Features and Benefits

Gen 5 Marksman Barrel for Improved Accuracy

The Glock 22 Gen 5 ships with the Marksman Barrel — Glock’s most accurate production barrel. Improved rifling, tighter chamber tolerances, and an enhanced crown deliver measurable accuracy gains over earlier generation barrels. For duty, competition, and precision training, this matters.

Factory MOS Cut for Full-Size Optics

The MOS cut is machined into the slide during production — not retrofitted afterward. It supports full-size red dot footprints via adapter plates, including Trijicon RMR/SRO, Holosun 507C/508T, Leupold DeltaPoint Pro, and Shield RMS. The included adapter plate system lets you change optic footprints later without replacing the slide.

Gen 5 nDLC Finish for Duty-Grade Durability

The nDLC (nano Diamond-Like Carbon) matte black finish delivers exceptional resistance to wear, corrosion, heat, and environmental exposure. It holds up under daily duty carry and high-volume range use, with a low-glare matte surface for tactical environments.

Front and Rear Serrations

The Gen 5 pattern front and rear serrations provide positive slide manipulation from any position. Press checks, malfunction clearance, and one-handed racking all become easier with either hand — critical during high-stress duty scenarios.

Gen 5 Dual Recoil Spring Compatibility

The Gen 5 dual captive recoil spring assembly helps manage the sharper recoil impulse of the .40 S&W cartridge. This slide is dimensioned to work correctly with the Gen 5 dual spring — ensuring smooth cycling, controlled return-to-battery, and long-term reliability with full-power .40 S&W loads.

Complete MOS Plate System Included

Complete assemblies include the full Glock MOS adapter plate kit. That means you can mount virtually any major full-size red dot now and change optic footprints in the future — without replacing the slide.

Full Magazine Compatibility

The G22 accepts G22 (.40 S&W, 15-round flush), G23 (.40 S&W compact, 13-round), and G35 (.40 S&W long-slide, 15-round) magazines. Full-size capacity with .40 S&W terminal performance.

Complete Technical Specifications

Specification	Detail
Model	Glock 22 Gen 5 MOS OEM Slide
Platform	Glock 22 (Full-Size)
Generation	Gen 5
Caliber	.40 S&W
Slide Material	Steel with Gen 5 nDLC Finish
Slide Length	7.32 inches
Barrel Length	4.49 inches
Barrel Type	Gen 5 Marksman Barrel (GMB)
Front Serrations	Yes (Gen 5 pattern)
Rear Serrations	Yes (Gen 5 pattern)
Optic Ready	Yes (Factory MOS System)
Compatible Optic Footprints	RMR, SRO, Holosun 507C/508T, DeltaPoint Pro, Venom/Viper, Shield RMS
Recoil System	Gen 5 Dual Captive Spring Assembly
Compatible Frames	Glock 22 Gen 5 (MOS and standard)
Weight (Complete)	Approximately 15.4 ounces
Configuration	Stripped or Complete

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Available Configurations

Complete Glock 22 Gen 5 MOS Slide Assembly – $389.99

Ready to install and shoot. Everything needed for a complete optics-ready duty upper:

• Glock 22 Gen 5 MOS Slide Shell — nDLC finish with front and rear serrations
• Factory 4.49-inch Marksman Barrel
• Gen 5 Dual Captive Recoil Spring Assembly
• Complete Internals — striker, extractor, safety plunger system
• Factory Steel Sights — standard height
• Complete MOS Optic System — all adapter plates and mounting screws
• MOS Cover Plate — installed (removable for optic mounting)
• Slide Back Plate — standard Glock polymer

Stripped Glock 22 Gen 5 MOS OEM Slide – $289.99

For custom duty builders supplying their own barrel, recoil spring, and internals:

• Glock 22 Gen 5 MOS Slide Shell — nDLC finish with front and rear serrations
• MOS Cover Plate — installed, removable for optic mounting
• Factory Front and Rear Sights — standard height
• Channel Liner — pre-installed

Note: Does not include barrel, Gen 5 dual recoil spring assembly, or internal components. Always pair with Gen 5-specific components — Gen 4 recoil assemblies are not compatible.

Compatible Red Dot Optics

Full Optic Flexibility via MOS Adapter Plates

The Glock 22 Gen 5 MOS OEM Slide provides broad optic compatibility through the factory MOS adapter plate system. You can run virtually any major full-size red dot — without custom milling or permanent slide modification. Popular choices include:

• Trijicon RMR / SRO — proven durability, industry standard
• Holosun 507C / 508T — great value, crisp reticle
• Leupold DeltaPoint Pro — large window, duty-focused
• Vortex Venom / Viper — budget-friendly optics
• Shield RMS — lightweight, low-profile

For full technical specs on each optic, visit the manufacturer pages: Trijicon RMR · Holosun 507C · Leupold DeltaPoint Pro.

Ideal For These Applications

Law Enforcement and Duty Use

The G22 was the standard-issue pistol for countless agencies throughout the .40 S&W era — and remains in active service. The Gen 5 MOS variant provides the modern optic capability that agencies are now adopting. This slide delivers the factory-grade reliability and parts interchangeability that duty use demands.

Competition Shooting

In USPSA Limited division, the G22 Gen 5 makes major power factor easily. The full-size platform provides the capacity and controllability that competitors need — and the MOS cut allows red dot mounting for divisions that permit optics.

Home Defense With Modern Optics

A full-size .40 S&W pistol with 15-round capacity and a red dot optic is one of the most capable home defense setups available. The Glock 22 Gen 5 MOS OEM Slide gives you that platform with factory-spec reliability.

Concealed Carry (Open Carry / Winter Carry)

While the G22 is a full-size pistol, it can be carried in open-carry configurations or under heavy winter clothing. The .40 S&W cartridge delivers proven terminal performance, and the MOS cut provides modern sighting capability.

Slide Replacement and Modernization

Whether your existing G22 Gen 5 slide has sustained damage or you want to add optics capability to a standard G22, this MOS slide is a direct replacement that restores full factory function.

How to Mount Your Red Dot Optic

Required Tools & Materials

• Torx T10 screwdriver (usually included with MOS kit)
• Blue Loctite 243 (recommended for all screw threads)
• Torque wrench (10–15 in/lbs recommended)
• Optic-specific mounting screws

Step-by-Step MOS Installation

1. Remove the MOS cover plate by backing out the two T10 retaining screws.
2. Identify the correct adapter plate for your optic from the included set.
3. Attach the adapter plate with a small drop of Blue Loctite on each screw.
4. Mount your optic to the adapter plate and torque to spec (typically 10–15 in/lbs).
5. Apply witness marks and bore-sight or live-fire zero at your intended distance.

Duty-Specific Installation Notes

• Always use the Gen 5 dual recoil spring assembly — Gen 4 recoil assemblies are not compatible with this slide
• Verify your optic mounting screws are the correct length for the G22 Gen 5 MOS cut
• Standard-height sights provide a lower-third co-witness with most full-size red dots; suppressor-height sights are recommended for absolute co-witness

Fit and Compatibility

What This Slide Is Compatible With

• Glock 22 Gen 5 frames (all variations, including factory MOS and standard)
• Gen 5 specific 9mm barrels (4.49-inch for G22 — 9mm conversion)
• Gen 5 dual recoil spring assemblies (.40 S&W rated)
• All major red dot optics via factory MOS adapter plate system
• OEM Gen 5 internals and Gen 5-specification aftermarket components
• G22 (15-round), G23 (13-round), and G35 (15-round) magazines

What This Slide Is NOT Compatible With

• Glock 22 Gen 3 or Gen 4 frames — different recoil spring geometry
• Glock 17 Gen 5 frames — different breech face dimensions (9mm vs .40 S&W)
• Glock 19 Gen 5 frames — different slide dimensions
• Glock 23 or G35 frames — different slide dimensions (compact and long-slide)
• Glock 31 Gen 5 frames — different caliber (.357 SIG)
• Gen 4 recoil spring assemblies — not dimensionally compatible with Gen 5 slides

Critical Caliber Compatibility Note

The G22 (.40 S&W) shares frame and slide dimensions with the G17 (9mm) and G31 (.357 SIG) — but each is a different caliber platform. The .40 S&W breech face, barrel, and magazines are specific to this slide. Do not attempt to fire 9mm or .357 SIG ammunition in a .40 S&W barrel. Always match the caliber to the barrel and slide.

Holster Compatibility

Holsters designed for the Glock 17 or Glock 22 Gen 5 fit this slide perfectly — the exterior dimensions are identical. Holsters must be designed for the Glock 22 MOS or have sufficient clearance for a mounted optic. Standard G22 holsters without optic clearance will not correctly fit this slide with an optic installed.

Care and Maintenance Guide

nDLC Finish Care

Clean with standard solvents and protect with a light coat of gun oil or silicone cloth. The Gen 5 nDLC finish is highly resistant to holster wear and corrosion. Avoid abrasive cleaners that can dull the surface.

Gen 5 Dual Recoil Spring Inspection

The Gen 5 dual recoil spring assembly works harder in .40 S&W than in 9mm. Inspect it at every cleaning and replace it every 3,000–5,000 rounds to maintain consistent cycling and reliability.

MOS Plate Interface Maintenance

Periodically remove the optic and clean the interface between the adapter plate and slide. Carbon fouling and debris can accumulate here and affect zero retention — especially with the sharper recoil impulse of .40 S&W.

Optic Screw Torque Verification

Check optic mounting screw torque every 500 rounds. The heavier recoil impulse of .40 S&W can loosen screws faster than lighter calibers. Verify torque frequently during initial break-in.

Barrel and Chamber Care

The .40 S&W operates at higher pressure than 9mm. Clean the chamber and bore thoroughly after every range session. Inspect the chamber for signs of pressure-related wear at regular intervals.

Extractor Inspection

Because .40 S&W operates at higher pressure than 9mm, the extractor works harder. Inspect the extractor claw periodically for wear and replace it if you notice inconsistent ejection or extraction issues.

Striker Channel Cleaning

Regularly clean the striker channel with a dedicated tool to prevent primer residue buildup. A clean striker channel ensures consistent ignition across all ammunition types and temperatures.

Frequently Asked Questions

About the .40 S&W Platform

Q: Why was the .40 S&W so popular with law enforcement? A: The .40 S&W was developed in response to the 1986 FBI Miami shootout, and it became the dominant law enforcement cartridge in the 1990s and 2000s. It offered terminal performance between 9mm and .45 ACP, with higher capacity than .45 ACP and more stopping power than 9mm. The G22 was the most widely adopted .40 S&W duty pistol. Q: What makes the Gen 5 G22 different from earlier generations? A: Gen 5 introduced the Marksman Barrel for improved accuracy, front slide serrations, nDLC finish, ambidextrous slide stop, and removal of finger grooves. The Gen 5 G22 also uses the Gen 5 dual recoil spring assembly. Q: Can I convert my Glock 17 (9mm) to .40 S&W with this slide? A: No. The G17 (9mm) and G22 (.40 S&W) have different breech face dimensions, barrel dimensions, and magazine dimensions. You cannot convert a 9mm frame to .40 S&W by changing slides.

Fit and Function

Q: Will this slide fit a Gen 4 Glock 22 frame? A: No. Gen 5 slides require Gen 5 frame geometry and use the Gen 5 dual recoil spring assembly. Gen 4 frames are not compatible. Q: Can I run a 9mm conversion barrel in this slide? A: Yes, some aftermarket manufacturers offer 9mm conversion barrels for the G22 platform. However, you must use 9mm magazines and verify reliable function. Not all conversions are reliable — always test thoroughly before relying on a conversion. Q: Do I need suppressor-height sights with this MOS slide? A: Standard-height sights provide a lower-third co-witness with most full-size red dots. For absolute co-witness or use with higher-mounting optics, suppressor-height sights are recommended.

Technical Information

Q: What’s the advantage of the factory MOS slide over milling a standard slide? A: The factory MOS system provides flexibility to swap optics via adapter plates. Professional milling is a permanent modification for one specific footprint. The factory MOS cut also maintains factory structural integrity from the manufacturing stage. Q: Is the nDLC finish the same as on a factory new G22 Gen 5 MOS? A: Yes. This slide receives the same nDLC finish applied during original production. It is not a refinished or re-coated aftermarket component. Q: What is the difference between the stripped and complete versions? A: The complete assembly ($389.99) includes the factory Marksman Barrel, Gen 5 dual recoil spring assembly, all internal components, and the full MOS plate kit — ready to install. The stripped slide ($289.99) includes only the slide body, channel liner, sights, and MOS cover plate. Internals must be sourced separately.

Ordering and Support

Q: What payment methods do you accept? A: We accept all major credit cards, PayPal, and Apple Pay for secure checkout. Q: Do you offer a law enforcement or military discount? A: Yes. Verified law enforcement, military, and EMS personnel receive a discount. Contact us before ordering to verify eligibility. Q: How long does shipping take? A: Most orders ship within 2–3 business days. Continental US delivery typically takes 3–5 business days after shipping. International orders usually arrive in 7–14 business days after shipping.

Why Choose the Glock 22 Gen 5 MOS OEM Slide

The Proven .40 S&W Duty Platform

The G22 earned its reputation over two decades of law enforcement service. The Gen 5 MOS version modernizes that platform with the Marksman Barrel, nDLC finish, and factory optics capability — without losing the reliability that made the G22 a duty standard.

Gen 5 Engineering Refinements

The Gen 5 platform brought meaningful improvements to the G22 — the Marksman Barrel, the ambidextrous slide stop cut, and the nDLC finish. This slide carries all of those refinements in a factory-spec package.

Full-Size Duty Capability With Modern Optics

Full-size pistols dominate duty use for good reason — capacity, controllability, and sight radius. Adding the MOS cut brings modern optic capability to that proven formula. This is what a modern duty pistol looks like.

Full Parts Interchangeability

Maintains complete interchangeability with OEM Gen 5 components and factory service parts. Armorers and professional users can service and maintain it with confidence.

Add to Cart Options

– Complete Glock 22 Gen 5 MOS Slide Assembly – $389.99 – Stripped Glock 22 Gen 5 MOS OEM Slide – $289.99 📦 Free Shipping on Orders Over $300 🔒 Secure SSL Checkout ⚡ Ships Within 2–3 Business Days Related Products: Glock 22 Gen 3 OEM Slide – Earlier generation .40 S&W full-size Glock 23 Gen 5 OEM Slide – Compact .40 S&W slide Glock 31 Gen 4 OEM Slide – Full-size .357 SIG slide Shop All Duty & Full-Size Slides Explore Related: Glock 22 Slides · Glock 23 Slides · Glock MOS Slides · All Glock Slides For official Glock maintenance and armorer guidance, see Glock’s official resource page.