Description

Glock 45 Gen 5 9mm MOS Red Dot 17 Round Capacity

Glock 45 Gen 5 9mm MOS Red Dot 17 Round Capacity

The Glock 45 Gen5 MOS Crossover is a semi-automatic pistol chambered in 9mm Luger, combining a compact slide with a full-size frame for versatile carry and handling. It features a Glock Marksman Barrel for enhanced accuracy, a flared mag-well for faster reloads, and an optics-ready MOS slide for mounting red dot sights. This model includes an EOTech 3 MOA Mini Reflex sight and adapter plate, making it ready for tactical or defensive use right out of the box.

Engineered with Gen5 improvements, the pistol removes finger grooves for better ergonomics, includes ambidextrous slide stop levers, and offers interchangeable backstraps with beavertails to fit various hand sizes. The Safe Action System ensures reliable trigger safety, while the enlarged floor plate aids in magazine removal. The black nDLC slide finish provides durability, and the polymer frame with Picatinny rail supports accessories like lights or lasers.

The Glock 45 Gen5 MOS is ideal for concealed carry, home defense, and range training, offering a balance of compactness, capacity, and precision. Its inclusion of the EOTech optic enhances low-light performance, making it suitable for law enforcement, security professionals, or civilian users seeking a dependable, customizable firearm for everyday protection.

The Glock 45 Gen 5 MOS 9mm (PA455E203MOS) is a compact crossover pistol combining a Glock 19-length slide with a full-size Glock 17 frame. This package includes the MOS (Modular Optic System) slide and an EOTech EFLX red dot optic, giving it an optics-ready setup straight from the factory.

Key Specifications

• Manufacturer: Glock
• Model: Glock 45 Gen 5 MOS
• Caliber: 9×19mm (9mm Luger)
• Action: Glock Safe Action striker-fired system
• Capacity: 17+1 rounds (standard magazine)
• Frame: Full-size polymer frame
• Slide: Compact-length Gen 5 slide
• Barrel Length: 4.02 inches
• Overall Length: 7.44 inches
• Weight (empty magazine): Approximately 24.5 oz
• Trigger Pull: Approximately 5.8 lb / 26 N
• Finish: Black nDLC Gen 5 finish

Main Features

MOS Optic System

• Factory-cut slide for mounting compatible red-dot optics.
• Allows installation of reflex sights without aftermarket slide machining.
• Includes MOS mounting system components.

EOTech EFLX Red Dot

• Pistol-mounted reflex optic designed for fast target acquisition.
• Uses a CR2032 battery.
• Available with a 3 MOA or 6 MOA dot.
• Uses a Leupold DeltaPoint Pro footprint mounting pattern.
• Lightweight aluminum housing with a wide viewing window.

Gen 5 Glock Features

• Glock Marksman Barrel (GMB) for improved accuracy.
• Front slide serrations for easier manipulation.
• Ambidextrous slide stop lever.
• Reversible magazine release.
• Modular Backstrap System for grip adjustment.
• Flared magazine well for faster reloads.

Advantages

• Excellent balance between duty-size control and compact handling.
• Optic-ready from the factory.
• Reliable Glock Gen 5 operating system.
• Large grip provides better control than smaller Glock models.
• EOTech optic adds faster sight acquisition compared with traditional iron sights.

Things to Check When Buying Used

• Condition and brightness of the EOTech EFLX optic.
• Battery compartment and optic mounting screws.
• Barrel wear and slide condition.
• Magazine condition and included MOS plates.
• Trigger function and safety operation.
• Round count and maintenance history.

Bottom Line

The Glock 45 Gen 5 MOS with EOTech EFLX (PA455E203MOS) is a premium optics-ready 9mm crossover pistol built for versatility. It offers Glock reliability, a high-capacity full-size grip, and a factory-installed red-dot setup suitable for users who want modern sighting capability without additional upgrades.