Description

Upgrade or replace your Glock 43X MOS with a genuine OEM complete slide built for factory-level reliability, durability, and performance. Glocks engineers each 43X MOS slide to meet strict factory standards, delivering precise fitment, consistent cycling, and long service life for concealed carry, range use, or defensive applications.

Glock 43X MOS Complete OEM Slide Specs

Glock manufactures the G43X MOS slide to exact OEM specifications and designs it specifically for Slimline MOS frames and components. GlockInc precision-machines the slide from high-strength steel and applies its factory finish to support smooth operation, reliable lockup, and consistent performance with factory and quality aftermarket ammunition.

This complete OEM upper offers an ideal solution for slide replacement, optic-ready upgrades, or restoring a Glock 43X MOS to factory configuration.

What’s Included With the Complete Glock 43X MOS Slide

A complete OEM slide ships fully assembled and ready to mount on a compatible Glock 43X MOS frame. It typically includes:

• Glock 43X MOS 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)
• OEM Glock 43X barrel
• OEM recoil spring assembly

Key Features

• Model: G43X MOS Complete Slide
• Manufacturer: Glock (OEM)
• Material: Heat-treated steel
• Finish: Glock factory finish
• Caliber: 9mm Luger
• Compatibility: Glock 43X MOS Slimline frames and components
• Serrations: Factory rear serrations
• Optics Cut: Yes (MOS-cut for micro red dot optics)
• Sights: OEM Glock pattern (varies by package)

Slide Compatibility

• Fits: Glock 43X MOS frames
• Barrels: Glock 43X standard barrels
• Recoil System: Glock 43X recoil spring assembly
• Sights: Glock OEM-pattern sights
• Optics: Compatible with MOS adapter plates and supported micro optics
• Generation Use: Glock designs this slide for Slimline MOS pistols only; do not mix with non-MOS or double-stack Glock components

What’s the Glock 43X MOS Upper Made Of?

Glock manufactures OEM slides from high-strength steel and applies a factory protective finish to resist corrosion and wear. Precision machining ensures correct breech geometry, extractor engagement, and striker channel alignment for reliable cycling and long-term performance.

Customization Options

• Optics: MOS-compatible micro red dots using Glock adapter plates
• Sights: OEM polymer, steel, night sights, or fiber-optic options
• Barrels: Standard Glock 43X barrels
• Internal Parts: OEM or high-quality aftermarket components
• Finish Mods: Cerakote or refinishing by qualified professionals

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