The G19 Gen5 is now available as an A-CUT™ COA™ Combo with the new Aimpoint™ COA™ red dot sight. The high-performance optic ensures fast target acquisition and exceptional accuracy even in challenging conditions. With the Aimpoint A-CUT™, the optic is mounted directly on the G19 Gen5 without the need for adapter plates, ensuring maximum stability.

Combining proven reliability with the latest technology, the G19 Gen5 is an ideal companion for a wide range of tasks. The compact model is characterized by its versatility and accuracy, whether for professional applications or for private use.

GLOCK 19 Gen5 MOS with Aimpoint Co-Witness & Three 15-Round Magazines – PA194SB03MOS8A3

Overview of the Glock 19 Gen5 MOS W/Aimpoint COA (3)15-Round Mags

Experience precision, modularity, and power with the GLOCK 19 Gen5 MOS (Modular Optic System) paired with an Aimpoint Co-Witness Optic Adapter (COA) and three 15-round magazines—a tactical powerhouse designed for both civilian and professional use. Whether you’re an experienced marksman, a first-time buyer, or a duty professional, this pistol delivers unmatched reliability, performance, and adaptability. With the factory model number PA194SB03MOS8A3, this package gives you everything needed for personal protection, tactical response, or competitive shooting.

The Glock 19 Gen5 strikes a perfect balance between size and capacity. Compact enough for concealed carry, yet robust enough for duty use, it offers the legendary Glock reliability with enhanced ergonomics, improved accuracy, and the added advantage of modular optics compatibility.

Key Features at a Glance:

• Caliber: 9mm (9×19)

• Barrel Length: 4.02”

• Optic Ready: Modular Optic System (MOS)

• Optic Mounting Plate Included

• Aimpoint Co-Witness Optic Adapter Installed

• Magazine Capacity: Three 15-Round Magazines

• Slide Finish: nDLC (Glock-exclusive finish)

• Frame: High-strength polymer

• Sights: Standard Glock sights or co-witness optics

• Model Number: PA194SB03MOS8A3

Detailed Description

1. The Glock 19 Gen5 Platform

The Gen5 GLOCK 19 represents a generational leap in handgun evolution. Building on decades of performance and user feedback, the Gen5 includes more than 20 design enhancements that distinguish it from its predecessors. Glock has combined its famous Safe Action® System with refined design features, such as the removal of finger grooves, a flared magwell for faster reloads, and the improved GMB (Glock Marksman Barrel) for exceptional precision.

1.1 Gen5 Design Upgrades:

• No Finger Grooves: Enhanced ergonomics for a wide range of hand sizes.

• Flared Magwell: Improved reloading under pressure.

• Glock Marksman Barrel (GMB): Enhanced polygonal rifling for greater accuracy.

• nDLC Finish: Exclusive finish for increased corrosion and wear resistance.

• Ambidextrous Slide Stop Lever: Improved usability for left-handed shooters.

• Enhanced Slide Serrations: Better grip and manipulation during slide operation.

These updates make the Gen5 Glock 19 a formidable option for tactical use, EDC (Everyday Carry), and defensive applications.

2. Modular Optics System (MOS): Factory-Made for Red Dot Compatibility

With Glock’s MOS platform, you can easily mount a wide variety of reflex or red dot optics directly to the slide. This model comes with factory-milled optic mounting slots and an Aimpoint Co-Witness Adapter already installed, saving you the hassle and cost of aftermarket milling.

Whether you’re using Trijicon RMR, Holosun, or Aimpoint models, the MOS ensures seamless integration and rock-solid mounting. The Aimpoint COA enhances your aiming system by providing backup sight alignment through co-witnessing.

Benefits of the Glock MOS System:

• Enhanced target acquisition speed

• Compatibility with leading micro red dots

• No need for aftermarket slide milling

• Perfect sight-to-optic alignment with Aimpoint COA

3. Aimpoint Co-Witness Adapter (COA): Precision Meets Versatility

The included Aimpoint Co-Witness Adapter makes this pistol battle-ready out of the box. Whether you’re using red dots or iron sights, the COA allows you to co-witness your optic with backup iron sights. This enhances your confidence in every shot, especially in high-stress or competitive environments.

Why Co-Witnessing Matters:

• Provides a secondary aiming system if the optic fails

• Aids in fast sight alignment

• Improves readiness in dynamic environments

• Ensures consistent point-of-aim / point-of-impact transitions

4. High-Capacity Magazines: Tactical Flexibility with 3 x 15-Round Mags

With three 15-round magazines included, you’re well-equipped for extended range time or real-world scenarios. This generous capacity reduces reload frequency and ensures you’re always ready—whether at the range, in self-defense, or on duty.

• High-strength steel lining

• Durable polymer exterior

• Smooth feeding and reliable cycling

Want even more capacity? This pistol is compatible with Glock 17, 19X, or 33-round extended magazines for maximum firepower.

5. Glock Marksman Barrel (GMB): Match-Grade Accuracy Out of the Box

The 4.02-inch Glock Marksman Barrel uses enhanced polygonal rifling to improve accuracy, muzzle velocity, and barrel life. With a recessed crown and tighter tolerances, the GMB is Glock’s most accurate production barrel yet—designed to consistently hit your mark at close or mid-range.

Accuracy Boosting Elements:

• Improved barrel-to-slide lock-up

• Enhanced rifling pattern

• Superior tolerances

6. nDLC Finish: Rugged and Ready for Any Environment

Unlike traditional finishes, Glock’s exclusive nDLC (Diamond-Like Carbon) finish increases the surface hardness of the slide and barrel. This makes the pistol more resistant to corrosion, chemicals, and scratches—ensuring long-term performance and durability in all environments.

Whether it’s wet, dusty, or freezing, this finish keeps your Glock protected and functioning flawlessly.

7. Glock Safe Action® System: Proven Safety and Performance

At the heart of the Glock 19 Gen5 is its time-tested Safe Action® System, consisting of three independent mechanical safeties:

1. Trigger Safety

2. Firing Pin Safety

3. Drop Safety

This system provides peace of mind and enhanced safety—without compromising performance. The safeties disengage as the trigger is pulled and automatically re-engage upon release.

GLOCK 19 G5 MOS

GLOCK 19 G5 MOS

GLOCK 19 G5 MOS

8. Applications and Use Cases

Everyday Carry (EDC)

Compact dimensions, lightweight design, and high capacity make the Glock 19 Gen5 MOS a perfect choice for concealed or open carry. Add an IWB or OWB holster and you’re ready for daily use.

Law Enforcement & Tactical Use

With the modularity of the MOS system and proven Glock reliability, this package is ideal for patrol officers, tactical teams, and plainclothes units.

Home Defense

Fast optic acquisition and co-witness capabilities make this an ideal firearm for protecting your home and loved ones in any lighting condition.

Range & Competition

From target shooting to tactical drills, this pistol handles it all with comfort and precision. Add competition triggers, extended magwells, or enhanced sights for a fully customized platform.

GLOCK 19 G5 MOS

GLOCK 19 G5 MOS