Glock 45 MOS: A Comprehensive Review of Features and Performance

The Glock 45 MOS is a highly regarded handgun in the firearms community, praised for its versatile design and advanced features. This 9mm pistol is designed for reliability and ease of use by combining a compact slide with a full-size frame. It's part of Glock's Gen5 lineup and incorporates a Modular Optic System (MOS), allowing users to mount a reflex sight, enhancing shooting accuracy efficiently.

One of the critical features of the Glock 45 MOS is its compatibility with a wide range of optics, making it a favorite among enthusiasts who prefer customization. The flared magazine well and reversible magazine catch provide convenient operation for both left and right-handed shooters. At the same time, the ambidextrous slide stop lever further adds to its user-friendly design.

For those interested in tactical applications or competitive shooting, the Glock 45 MOS is a solid choice. Its full-size grip and interchangeable backstraps offer a comfortable fit for various hand sizes.

Key Takeaways

• The Glock 45 MOS combines a compact slide and full-size frame.
• It features a Modular Optic System for easy optic mounting.
• They are designed for ambidextrous use and customization.

Design and Features

The Glock 45 MOS is designed to provide a versatile, powerful, and reliable option for professional and civilian use. Key elements include a user-friendly frame, a compact slide with a precise barrel, and readiness for mounting optics.

Frame and Ergonomics

The Glock 45 MOS's frame is crafted to ensure comfort and control. It combines a compact slide with a full-size frame, offering a stable grip. This model features no finger grooves, allowing for a smoother and more natural grip. The flared magazine well aids in quicker and more efficient magazine changes.

The reversible magazine catch accommodates both right—and left-handed users. The Gen5 model boasts an ambidextrous slide stop lever, suitable for a variety of shooters. These features culminate in an ergonomic design that enhances handling and the shooting experience.

Slide and Barrel

The slide on the Glock 45 MOS is compact and includes innovative front serrations (FS) that allow for easier gripping and manipulation. The Glock Marksman Barrel (GMB) is a highlight crafted for higher accuracy and improved performance. At 4.02 inches, the barrel maintains a balance between compactness and precision.

The pistol's slide length of 6.85 inches gives it a proportional and sleek look. This makes it a preferred choice for those who appreciate the middle ground between full-size and compact handguns. The durable finish adds longevity to the firearm.

Modular Optic System

The MOS in Glock 45 MOS stands for Modular Optic System, designed to accommodate a variety of red dot sights. This system allows for easy mounting of reflex sights without needing an additional or modified slide. The pistol has several adapter plates to fit different optics, enhancing its versatility.

This feature mainly benefits competitive shooting and tactical scenarios where rapid target acquisition is crucial. By allowing users to add the sight of their choice, the G45 MOS caters to differing preferences and requirements.

Trigger Mechanism

The trigger of the Glock 45 MOS incorporates the familiar Safe Action System, providing a consistent pull. The design includes three automatic, independently operated safety mechanisms: trigger safety, firing pin safety, and drop safety. This ensures the pistol remains safe to carry and reduces the risk of accidental discharge.

The mechanism, with a trigger pull of around 5.5 lbs, is designed for reliability and ease of use. The straightforward design contributes to the firearm’s reputation for dependability, making it a trusted option for many users.

Specifications and Performance

The Glock 45 MOS combines a compact slide with a full-size frame, balancing size and performance. It is known for its reliability, modularity, and adaptability to various optic systems.

Accuracy and Range

The Glock 45 MOS is designed to be highly accurate. The Modular Optic System (MOS) allows easy mounting of reflex sights, which improves target acquisition and accuracy. The barrel is precisely machined to ensure consistent shot placement.

The user can select the best option for their needs as a line of sight is available in polymer and steel. This flexibility, combined with the G45’s inherent stability, makes it a reliable choice for precise shooting in various conditions.

Size and Weight

The G45 MOS has an overall length of approximately 7.44 inches and a barrel length of 4.02 inches. The height, including the magazine, is about 5.47 inches, providing a compact yet comfortable grip.

The weight varies as follows:

• Without Magazine: 21.73 oz
• With Empty Magazine: 24.52 oz
• With Loaded Magazine: 33.59 oz

These dimensions make it versatile for concealed carry and duty use, ensuring comfort and ease of handling.

Capacity and Caliber

The Glock 45 MOS uses the 9x19mm caliber, a popular choice for its balance of stopping power and manageable recoil. Its standard magazine capacity is 17 rounds, which can be expanded with aftermarket extensions.

Capacity and caliber are essential for those who need a reliable sidearm for various situations. The 9mm performs effectively in self-defense and law enforcement scenarios, while the extended capacity ensures fewer reloads during use.

Compatibility and Customization

The Glock 45 MOS offers various options for performance enhancements and aesthetic customizations. Its Modular Optic System (MOS) makes it easy to use Red Dot sights, while a range of accessories and aesthetic modifications allow users to personalize their firearm to their preferences.

Optics and Accessories

One of the standout features of the Glock 45 MOS is its Modular Optic System (MOS). It allows users to mount Red Dot or Reflex Sights quickly and easily. This enhances accuracy and target acquisition time. The MOS configuration includes adapter plates, letting users choose the Red Dot sight that best suits their needs.

The Glock 45 MOS's Gen5 platform ensures compatibility with a wide range of accessories. Upgrades include precision guide rods, custom slide plates, and specialized trigger systems. AmeriGlo sights are a popular upgrade, providing improved visibility in low-light conditions. Users can also add extended magazines, laser sights, and enhanced grips to tailor the Glock 45 MOS to specific tasks or personal preferences.

Aesthetic Options

Available aesthetic customizations for the Glock 45 MOS include Cerakote and laser engraving. Cerakote coatings provide a durable finish that is available in various colors and patterns, allowing for personalization beyond the standard black. This not only enhances appearance but also increases resistance to wear and corrosion.

Laser engraving offers another layer of customization. Users can add personalized designs, such as logos or text, to the slide or frame of the Glock 45 MOS. This is often chosen for functional markings (like stippling for grip enhancement) and decorative purposes. Customizations can be done through specialized retailers who provide options to ensure each Glock 45 MOS is unique to its owner.

Frequently Asked Questions

Due to its features and versatility, the Glock 45 MOS has become a popular choice among gun enthusiasts. Below are answers to common questions about this model.

What red dot sights are compatible with the Glock 45 MOS?

The Glock 45 MOS is compatible with multiple red dot sights. Standard options include the Trijicon RMR, Leupold DeltaPoint Pro, and the Holosun HS507C. These sights can be easily mounted on the MOS platform and offer enhanced aiming precision.

Are there common issues with the Glock 45 MOS that users should be aware of?

Some users have reported that the slide finish may wear faster than expected. Additionally, there have been occasional complaints about the magazine release being stiff. Regular maintenance and lubrication can help mitigate these issues.

What are the features and improvements of the Glock 45 MOS over previous models?

The Glock 45 MOS combines the full-size frame of the G17 with the compact slide of the G19. It features an improved trigger pull and enhanced rifling in the barrel. The MOS setup allows for the attachment of red dot sights, adding versatility.

How does the Glock 45 9mm compare performance and size to other models in the same category?

The Glock 45 offers a balanced setup with a full-size grip and a compact slide. In terms of performance, its 9mm chambering ensures manageable recoil and accuracy. It compares favorably to other crossover models, providing a robust yet adaptable option.

What options are available for a threaded barrel on a Glock 45 MOS?

For those looking to add a threaded barrel to their Glock 45 MOS, options include aftermarket barrels from companies like SilencerCo and Lone Wolf. These allow for the attachment of suppressors and other muzzle devices, expanding the gun's capabilities.

Can you explain the Modular Optic System (MOS) feature of the Glock 45?

The Glock 45's Modular Optic System (MOS) allows users to mount various red dot sights directly on the slide. This system includes a series of adapter plates that fit between the slide and the optic, enabling quick and easy installation of compatible sights.