# Glock 43X MOS Gen1 9mm Compact Optic-Ready Pistol - Black

**Brand:** Glock
**Category:** Compact Handguns
**Caliber:** 9mm

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 3.4"
- **Capacity:** 10 rounds
- **Finish:** Gas Nitride
- **Weight:** 18.6 oz
- **Overall Length:** 6.5"
- **UPC:** 764503051326
- **SKU:** UCDSUKtME

## Description

The Glock 43X MOS is a subcompact 9mm Luger pistol with a 3.39-inch barrel, 10+1 capacity, and a factory MOS slide cut for direct optics mounting. It weighs 18.6 oz unloaded and is 6.5 inches overall with a 1.10-inch width. The frame is polymer; the finish is black.

### Key Specifications
- **UPC**: 764503051326
- **Caliber**: 9MM LUGER (9X19 PARA)
- **Action**: Semi Automatic
- **Capacity**: 10 Rounds
- **Barrel Length**: 3.39 inches
- **Weight**: 1.1 lbs (18.6 oz)
- **Finish**: Black

### Detailed Features

The MOS slide accepts optics adapters for a range of red dot sights without gunsmith work. Glock's Safe Action system integrates three passive safeties (trigger, firing pin, and drop safety), that disengage sequentially as the trigger is pressed. The polymer frame is standard Glock construction. At 1.10 inches wide and 6.5 inches overall, the 43X is one of the thinner double-stack options in 9mm. The grip accommodates a full four-finger hold, which is the main ergonomic difference from the original G43.

### Usage Scenarios

The 43X MOS fits standard IWB and OWB holsters designed for the G43X platform. The MOS cut is the main differentiator over the non-MOS 43X, relevant for owners who want a mounted red dot for carry or range use. The 10+1 capacity handles both scenarios.

## Frequently Asked Questions

**Q: What caliber is the Glock G43X MOS?**

A: The Glock G43X MOS is chambered in 9mm Luger.

**Q: Who makes the G43X MOS?**

A: Glock makes the G43X MOS.

**Q: What type of firearm is the Glock G43X MOS?**

A: It is a semi-automatic compact handgun with a polymer frame.

**Q: What is the barrel length of the Glock G43X MOS?**

A: It has a 3.39-inch barrel.

**Q: How many rounds does the Glock G43X MOS hold?**

A: It has a 10+1 capacity.

**Q: Is the Glock G43X MOS optic-ready?**

A: Yes, the G43X MOS has a factory MOS slide cut that accepts optics adapters for a range of red dot sights.

**Q: Where can I buy the Glock G43X MOS?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The Glock 43X MOS has a consistent following in concealed carry discussions, and the reviews reflect that.

Ergonomics come up constantly. People specifically like the grip length relative to the overall size, and the 10+1 capacity on a subcompact frame is a frequently cited reason to choose this over the original G43. Reliability with multiple ammunition types is a standard Glock expectation that owners report being met. The MOS cut gets strong marks from anyone running a red dot; the optic-ready slide without modifications is appreciated.

The trigger draws divided opinions. Some find the factory pull fine for carry duty; others swap it out early. Price versus comparable compact options from other manufacturers comes up occasionally, usually in threads weighing the 43X MOS against alternatives.

Aftermarket accessory selection is broad for the G43X platform generally, though a few owners note that MOS-specific items are less common than accessories for full-size Glock models.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Gunbuyer Com | $709.70 |

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*Data from [GunsNation](https://gunsnation.com)*