Glock 48 MOS 9mm Luger Pistol

Glock 48 MOS 9mm Luger Pistol: A Comprehensive Guide

Glock 48 MOS 9mm Luger Pistol. When it comes to reliable, concealable, and effective handguns, the Glock 48 MOS 9mm Luger Pistol stands out as one of the best choices available in the market. Designed with precision, built for everyday carry, and optimized for red dot optics, the Glock 48 MOS has captured the attention of gun enthusiasts, law enforcement personnel, and concealed carry permit holders across the globe.

In this in-depth guide, we will explore everything you need to know about the Glock 48 MOS—from technical specifications to real-world performance—to help you understand why this slimline pistol is a standout option in the competitive concealed carry firearm market.

What is the Glock 48 MOS?

The Glock 48 MOS (Modular Optic System) is a slim, compact, and highly concealable 9mm pistol developed by Glock as part of its Slimline series. It’s an enhanced version of the original Glock 48, offering the same slim profile with added optic compatibility. The inclusion of the MOS configuration allows users to mount micro red dot sights, making it even more versatile and appealing to modern shooters.

Glock 48 MOS Specifications

Before diving deeper, let’s look at the core specifications of the Glock 48 MOS:

• Caliber: 9mm Luger
• System: Safe Action®
• Magazine Capacity: 10 rounds
• Barrel Length: 4.17 inches (106 mm)
• Overall Length: 7.28 inches (185 mm)
• Slide Length: 6.85 inches (174 mm)
• Height including magazine: 5.04 inches (128 mm)
• Width (Slide): 0.87 inches (22 mm)
• Overall Width: 1.10 inches (28 mm)
• Weight (Unloaded): 18.48 oz (524 g)
• Weight (Loaded): 25.12 oz (712 g)
• Trigger Pull: Approximately 5.4 lbs
• Finish: nDLC coating

These dimensions make the Glock 48 MOS one of the slimmest pistols on the market with full-size shootability. Its combination of concealability and comfortable ergonomics makes it a favorite for both novice and experienced shooters.

Key Features of the Glock 48 MOS

1. Slimline Frame

The Glock 48 MOS features a narrow frame that makes it ideal for inside-the-waistband (IWB) or appendix carry. Despite its slim design, it still provides a full grip, which is a big advantage over subcompact models.

2. Modular Optic System (MOS)

One of the most significant upgrades in the Glock 48 MOS is the ability to mount a micro red dot optic. The slide is milled to accept Glock’s Slimline MOS plates, allowing for direct mounting of red dot sights like the Shield RMSc, Holosun 507K, or similar optics.

3. Glock Marksman Barrel (GMB)

The Glock 48 MOS comes with the enhanced Glock Marksman Barrel, which features improved rifling and a better crown for increased accuracy. This makes follow-up shots more precise and improves performance at longer distances.

4. nDLC Finish

The durable nDLC (nitration Diamond-Like Carbon) finish on the slide provides enhanced corrosion resistance and scratch protection. This is especially valuable for those who carry their firearm daily.

5. Front Slide Serrations

Front serrations on the slide offer improved manipulation when press-checking or operating the slide under stress. This design upgrade makes the pistol easier to use in tactical or emergency situations.

6. Safe Action System

Like all Glock pistols, the Glock 48 MOS features the Safe Action System with three automatic, independently operating mechanical safeties. This ensures that the firearm is only fired when the trigger is deliberately pulled.

Advantages of the Glock 48 MOS

1. Enhanced Concealability

The slim profile of the Glock 48 MOS allows for easy concealment, even under light clothing. For those who prioritize discretion in their carry firearm, the Glock 48 MOS offers an excellent balance of concealment and performance.

2. Full-Sized Control in a Compact Form

Despite its smaller size, the Glock 48 MOS provides a full grip, allowing for better control and recoil management. This translates to improved accuracy and comfort during extended range sessions.

3. Red Dot Compatibility

The ability to add a red dot sight brings the Glock 48 MOS into the realm of modern carry optics. Red dot sights improve target acquisition speed, accuracy, and situational awareness, especially under stress or in low-light environments.

4. 10-Round Magazine Capacity

The Glock 48 MOS has a 10+1 capacity, which strikes a good balance between slim design and adequate firepower. For those in states with magazine capacity restrictions, the G48 MOS is compliant while still offering effective performance.

5. Aftermarket Support

As part of the Glock ecosystem, the 48 MOS benefits from a massive aftermarket. From holsters and night sights to upgraded triggers and barrels, users have countless customization options available.

Glock 48 MOS vs Glock 43X MOS

Both the Glock 48 MOS and the Glock 43X MOS are part of Glock’s Slimline series, and they share several features including MOS capability and magazine compatibility. However, there are notable differences:

Feature	Glock 48 MOS	Glock 43X MOS
Barrel Length	4.17 inches	3.41 inches
Overall Length	7.28 inches	6.50 inches
Sight Radius	Longer	Shorter
Weight	Slightly heavier	Lighter
Concealability	Moderate	Higher
Shootability	Better	Moderate

The Glock 48 MOS offers better performance and accuracy at longer distances thanks to its longer barrel and slide. The 43X MOS, on the other hand, is slightly more concealable. Your choice will depend on whether you prioritize concealability or shootability.

Real-World Applications Glock 48 MOS 9mm Luger Pistol

1. Everyday Concealed Carry

The Glock 48 MOS is purpose-built for EDC. Its slim profile and relatively low weight make it ideal for all-day carry. It is compatible with a wide range of holsters and supports popular carry positions including IWB, appendix, and OWB.

2. Home Defense

While designed for carry, the Glock 48 MOS also serves well as a home defense weapon. The inclusion of a red dot sight increases target acquisition in low light, and the 9mm caliber offers sufficient stopping power without excessive recoil.

3. Law Enforcement Backup

For law enforcement professionals, the Glock 48 MOS can serve as an excellent backup gun. Its consistent trigger, reliable action, and familiarity for Glock-trained officers make it a logical choice as a secondary weapon.

4. Training and Range Use

Because it shares the familiar Glock platform, the G48 MOS is a great tool for training. It’s accurate, easy to control, and cost-effective to shoot due to the 9mm chambering.

Maintenance and Durability Glock 48 MOS 9mm Luger Pistol

Like all Glock pistols, the G48 MOS is built to last. With minimal parts and a corrosion-resistant finish, it requires low maintenance. Regular field stripping and cleaning are simple and do not require any special tools.

The Glock 48 MOS thrives in a variety of environments, including hot, cold, dusty, and wet conditions. Its rugged construction ensures dependable function regardless of circumstances.

Who Should Buy the Glock 48 MOS?

This pistol is a great fit for:

• Concealed Carry Permit Holders looking for a slim yet capable 9mm with optics compatibility.
• Beginners who want a user-friendly, low-recoil firearm with intuitive safety features.
• Experienced Shooters seeking a lightweight EDC gun with full-size control and red dot support.
• Professionals in law enforcement or security who want a reliable backup or off-duty firearm.

Magazine Options and Capacity Enhancements

The Glock 48 MOS ships with two 10-round magazines, but aftermarket options like Shield Arms S15 magazines allow for a 15-round capacity while maintaining a flush fit. If you choose to use these, upgrading to a steel magazine catch is highly recommended to prevent wear on the polymer frame.

Holsters and Accessories

As the popularity of the Glock 48 MOS grows, so does the availability of compatible gear. You’ll find a wide range of:

• IWB and OWB holsters
• Appendix carry rigs
• Red dot mounts and optics
• Weapon lights and lasers
• Trigger upgrades
• Extended magazine releases

Customizing the Glock 48 MOS to meet your exact preferences is easy and affordable.

Glock 48 MOS 9mm Luger Pistol

The Glock 48 MOS 9mm Luger Pistol represents a thoughtful balance of innovation, practicality, and performance. With its slim profile, MOS-ready slide, durable construction, and shootability, it stands out in the crowded field of concealed carry handguns.

Whether you’re a first-time gun buyer looking for your first concealed carry firearm or a seasoned gun owner wanting to add a reliable EDC pistol to your collection, the Glock 48 MOS delivers on every front. Its proven Glock reliability, optic-ready design, and comfortable

handling make it one of the top choices for concealed carry in 2025.

If you’re looking for a handgun that offers the perfect mix of concealability, modern features, and legendary reliability, the Glock 48 MOS should be at the top of your list.