Glock 43X MOS OEM Slide

Upgrade your Glock 43X with the Glock 43X MOS OEM Slide — a factory optic-ready slide built for slimline performance and modern carry needs. Glock designed this MOS configuration to deliver enhanced versatility, allowing shooters to mount micro red-dot optics while maintaining a compact, easy-to-carry profile.

Product Description | Specs for Glock 43X MOS OEM Slide

Glock machines this slide from high-strength steel and applies a durable nDLC (diamond-like carbon) finish to resist wear and corrosion. The slide features a factory MOS (Modular Optic System) cut specifically designed for slimline optics like the Shield RMSc footprint. Front serrations provide improved grip for confident manipulation, while the slim profile ensures optimal comfort for concealed carry.

What’s Included For Complete OEM Slide

• Glock 43X MOS slide (fully assembled)
• OEM barrel (9mm)
• Recoil spring assembly (RSA)
• Extractor
• Firing pin assembly & firing pin safety
• Depressor plunger assembly
• Rear slide plate
• Channel liner
• Factory front & rear sights
• MOS optic cover plate and mounting hardware

What’s Included For Stripped OEM Slide

• Glock 43X MOS stripped slide
• Channel liner
• Factory front & rear sights
• MOS optic cover plate and screws

Note: Stripped slides do not include barrel, RSA, or upper internal components.

Specifications

• Model: Glock 43X MOS OEM Slide
• Material: Hardened steel
• Finish: nDLC (black, low-glare)
• Slide Length: Approx. 6.06 inches
• Slide Width: Slimline (~0.87 in)
• Weight (stripped): Approx. 5–5.5 oz
• Caliber: 9mm Luger
• Optic Ready: Yes — MOS slimline configuration
• Serrations: Front and rear (factory)

How to Disassemble a Glock 43X MOS Slide

1. Ensure the firearm is unloaded and remove the magazine.
2. Pull the slide slightly rearward and depress the takedown tabs.
3. Release the slide forward and remove it from the frame.
4. Remove the recoil spring assembly.
5. Lift the barrel out of the slide.

Now the slide is ready for cleaning, inspection, or service.

How to Install a Glock Slide

1. Insert the barrel into the slide.
2. Seat the recoil spring assembly against the barrel lug.
3. Align the slide with the frame rails.
4. Pull the slide fully rearward and release it to lock into place.
5. Mount your optic using the correct screws and perform a full function check.

Compatibility

This slide fits Glock 43X MOS frames and slimline-compatible components. It is not compatible with standard double-stack Glock models such as the Glock 19 or Glock 17.

Materials & Finish

Glock crafts the Glock 43X MOS OEM Slide from hardened steel and applies an nDLC finish for increased durability, reduced friction, and strong corrosion resistance. This ensures reliable performance in daily carry and adverse conditions.

Customization Options

• Optics: Mount RMSc-pattern optics such as Shield RMSc or Holosun 507K/407K (with adapter if needed).
• Sights: Upgrade to suppressor-height or night sights for co-witnessing.
• Finish: Apply Cerakote or custom coatings for a personalized look.
• Engraving: Add custom engravings for a unique finish.

FAQs

Q: Does the complete slide include internal components?
A: Yes — the complete slide includes all upper internals, barrel, and recoil spring assembly.

Q: Is this slide optics-ready?
A: Yes — it features a slimline MOS cut designed for micro red-dot optics.

Q: Can I use this slide on a standard Glock frame?
A: No — it is designed specifically for Glock 43X MOS slimline frames.

Q: What optics fit this slide?
A: RMSc footprint optics and compatible micro red dots (some may require adapter plates).

Q: Does the stripped slide include sights?
A: Yes — stripped slides typically include factory front and rear sights.

DISCLAIMER:

GlockSlides.us offers aftermarket and compatible slides 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” is a federally registered trademark used only to identify compatible parts.