Overview
The Glock 19 Gen 4 MOS OEM Slide gives your pistol a factory-level optic-ready upgrade. Glock machines this MOS slide with precision Gen 4 dimensions, ensuring reliable cycling and smooth fitment. Its nDLC coating delivers exceptional wear resistance while maintaining the clean, low-glare factory appearance.
MOS Optic-Ready Platform
This slide uses Glock’s Modular Optic System, allowing you to mount popular optics without custom milling. The included MOS plates let you attach Trijicon RMR, Holosun 507c, Vortex Viper, Leupold DeltaPoint Pro, and other compatible footprints.
Factory-Level Materials & Finish
Glock applies their ultra-hard nDLC treatment, increasing corrosion resistance and keeping the slide performing clean even under heavy use. The internal geometry follows Glock’s proven Gen 4 design for dependable lockup and consistent accuracy.
🔵 What You Get (Stripped Version)
- Glock 19 Gen 4 MOS OEM Slide
- Factory MOS cover plate
- MOS adapter plate set
- Factory screws
Note: Stripped slide does not include barrel, RSA, or internal parts.
🔵 Specifications
- Model: Glock 19 Gen 4 MOS OEM Slide
- Finish: Black nDLC
- Optic System: MOS modular plate system
- Compatibility: Glock 19 Gen 4 frames only
- Cut: Factory MOS optic platform
- Material: Glock OEM steel
🔵 Compatibility Notes
The Glock 19 Gen 4 MOS Slide fits only Gen 4 Glock 19 frames.
It does not fit Gen 1–3 or Gen 5 models due to internal dimensional differences.
🔵 How to Install
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Insert your barrel into the slide.
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Install the recoil spring assembly onto the barrel lug.
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Align the slide with the frame rails.
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Pull back fully and release.
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Conduct a function check.
🔵 Customization Options
- Add your preferred RMR or Holosun optic using MOS plates
- Replace factory sights with fiber optic or night sights
- Cerakote or laser engrave for customization
- Choose standard or threaded barrels
🔵 FAQ
Q: Does this slide include the MOS plates?
Yes, Glock includes the full MOS adapter plate set.
Q: Is this slide compatible with Gen 3 or Gen 5?
No. This MOS slide fits Gen 4 only.
Q: Can I run this slide without an optic?
Yes, just install the included MOS cover plate.
Q: Does the stripped slide include internal components?
No. You must supply the firing pin, extractor, and related parts.
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