GLOCK OEM MOS Slide, Spare GEN

Product Description

The Glock OEM MOS Slide Gen 3 is an optics-ready slide engineered for shooters who want modern sight technology on a reliable platform. This OEM Glock slide fits Glock 34 Generation 3 pistols and comes fully assembled with internal components ready to install. The MOS (Modular Optics System) design allows quick mounting of compatible red dot sights and reflex optics.

Additionally, this package includes everything needed for a complete upgrade. You get the MOS slide with assembled internals, a MOS cover plate for protection, and standard Glock sights for backup aiming. Whether you’re transitioning to optics or building a competition gun, the slide arrives ready to pair with your pistol frame.

Optics-Ready Design for Modern Shooting

Furthermore, the MOS system eliminates the need for aftermarket mounting solutions. The Glock OEM MOS Slide Gen 3 accepts major optic footprints without modification. Recreational shooters and sport competitors alike benefit from faster sight acquisition and improved accuracy downrange.

What’s Included

In addition, each purchase delivers the complete MOS slide assembly. The internals are pre-installed and tested by Glock. You also receive a MOS cover plate and factory-standard sights, so you can shoot immediately or swap in your preferred optic.

Perfect for Glock 34 Gen 3 Owners

Moreover, this slide is specifically designed to fit Glock 34 Generation 3 frames. If you own a Gen 3 Glock 34 and want to modernize its sighting system without replacing the entire pistol, the OEM MOS Slide is a direct solution. Installation is straightforward for anyone with basic pistol-building knowledge.

Ordering from Western Sport

Order online and it ships straight to your door. Western Sport has been a licensed FFL/SOT dealer since 2007, and everything we sell carries the full manufacturer warranty. Questions before you order? Send us a message.

Frequently Asked Questions

Q: Will the Glock OEM MOS Slide Gen 3 fit my Glock 34?

A: Yes, this slide is specifically engineered for Glock 34 Generation 3 frames. It is a direct OEM fit and will slide onto your Gen 3 Glock 34 frame without modification.

Q: Does this slide come with a warranty?

A: As an OEM Glock product, it carries Glock’s standard warranty. We recommend contacting Glock directly or speaking with our staff at Western Sport for specific warranty details and coverage terms.

Q: What optics are compatible with the MOS system?

A: The MOS slide accepts major optic mounting footprints. We recommend checking your optic’s mounting specifications against the MOS plate compatibility chart to ensure proper fit before purchase.

Q: Is this slide suitable for recreational shooting and sport competition?

A: Absolutely. The optics-ready design makes it ideal for both recreational shooters upgrading to modern sights and competitive shooters seeking faster target acquisition and improved accuracy.

Additional information