Glock 43X MOS Rail 15+1

Description

Glock 43X MOS Rail 15+1

The Glock G43X MOS Rail combines the slim-profile ergonomics of the G43X platform with optics-ready capability and an integrated accessory rail for enhanced versatility. Chambered in 9mm, this compact polymer-frame pistol is designed for concealed carry, defensive use, and everyday reliability while maintaining a comfortable balance between shootability and concealability.

This configuration features Glock’s Modular Optic System (MOS) slide cut, allowing compatibility with select micro red dot optics when using the appropriate mounting solution. The addition of the front accessory rail provides support for compact weapon lights and rail-mounted accessories, expanding the platform’s utility for defensive applications and low-light environments.

The G43X MOS utilizes Glock’s Safe Action system, a 3.39-inch barrel, fixed Glock sights, and a 15+1 capacity. Its slim frame profile and lightweight design help reduce printing during concealed carry while still offering improved grip surface and controllability compared to smaller subcompact pistols.

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Key Features

• Slimline compact 9mm pistol design
• Glock Modular Optic System (MOS) optics-ready slide
• Integrated front accessory rail
• 15+1 capacity
• Glock Safe Action trigger system
• Polymer frame construction
• Gas nitride finish
• Fixed Glock sights
• Two 15-round magazines included
• Lightweight 18.6 oz unloaded weight

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Why This Product Stands Out

The Glock 43X MOS Rail offers a balance of concealability, capacity, and modern defensive pistol features in a compact footprint. The slimline frame improves comfort for daily carry while maintaining enough grip surface for consistent control and recoil management.

The optics-ready MOS configuration allows shooters to configure the pistol for red dot use without requiring slide milling, while the accessory rail adds flexibility for weapon-mounted lights and training accessories. Combined with Glock’s established reputation for durability, parts availability, and widespread aftermarket support, the G43X MOS remains a strong option for shooters seeking a compact defensive handgun with modern capability.

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Ideal Use Cases

• Concealed carry
• Everyday carry (EDC)
• Home defense
• Defensive training
• Backup or secondary duty pistol
• Range practice

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Technical Specifications

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Compatibility Information

Optic Compatibility

The Glock 43X MOS is designed for micro red dot optics compatible with the Glock Slimline MOS pattern when using the appropriate mounting plate or direct-fit optic system.

Verified compatible optic families commonly used on the G43X MOS platform include:

• Shield RMSc-pattern optics
• Holosun 407K series
• Holosun 507K series
• Holosun EPS and EPS Carry footprint optics (with appropriate mounting solution)

 

Accessory Rail Compatibility

The integrated front rail supports select compact rail-mounted accessories designed for slimline Glock rail dimensions such as the Streamlight TLR 7-HLx Sub for the Glock 43X and 48.

Magazine Compatibility

Includes two factory 15-round magazines.

TX Arms Lifetime Warranty

This firearm is covered under our TX Arms Lifetime Warranty

Manufacturer: Glock
Model: 43X MOS 15+1
Type: Pistol
Caliber/Gauge: 9mm
UPC: 764503072864
SKU: GLUX4350203RMOS

THIS ITEM MUST BE SHIPPED TO A FFL, OR PICKED UP AT TX ARMS.