Description
Product Overview
The Glock 19 MOS Gen5 9mm pistol represents a significant evolution in a legendary platform, merging proven reliability with modern sighting versatility. Designed for the serious shooter who demands adaptability, this model is the definitive choice for duty, home defense, and competitive use. At its core, it is the renowned Glock 19 Gen5—a compact, 15+1 capacity 9mm with a 4.02-inch barrel—now enhanced with the factory-installed Modular Optic System (MOS). This integration allows you to mount a miniature red dot sight without aftermarket slide machining, preserving the pistol’s structural integrity and finish. The Glock 19 MOS Gen5 is engineered for users who require a rugged, dependable sidearm that can seamlessly transition between iron sights and electronic optics for enhanced accuracy and target acquisition.
Key Features
- Modular Optic System (MOS): The slide comes precision-milled from the factory with a universal mounting platform. Included adapter plates allow for the direct installation of popular red dot sights from brands like Trijicon, Leupold, Aimpoint, and others, enabling a custom setup without compromising the slide’s hardness or warranty.
- Gen5 Enhancements: This model incorporates the full suite of Gen5 improvements, including the marksman barrel for increased accuracy, a flared magazine well for faster reloads, and the removal of finger grooves for a more universal grip feel. The frame features front slide serrations for positive manipulation from any angle.
- Ambidextrous Controls: The slide stop lever is reversible, catering to both right and left-handed shooters. This design ensures consistent manual operation and magazine changes regardless of the user’s dominant hand.
- nDLC Finish: The slide and barrel feature a durable, corrosion-resistant nDLC (Diamond-Like Carbon) finish. This matte black treatment provides superior hardness and lubricity compared to previous generations, ensuring long-lasting wear resistance and reliable performance in all conditions.
- Manual Safety Option: As indicated by the “S” in the model number (PA195S203MOS), this variant includes a factory-installed manual thumb safety. This feature provides an additional layer of security for users who prefer a manual safety, meeting specific departmental or personal preference requirements.
- Proven Reliability: Built on the iconic Glock Safe Action system, it maintains the consistent trigger pull and internal safeties that have set the standard for defensive handguns worldwide. The 15-round magazine capacity offers an optimal balance of firepower and concealability.
Performance & Applications
Duty & Home Defense: The Glock 19 MOS Gen5’s compact 4.02-inch barrel and balanced weight of 21.34 ounces unloaded make it highly maneuverable in close quarters. The MOS system allows for the addition of a red dot sight, drastically improving low-light target identification and enabling faster, more precise shots under stress—a critical advantage in defensive scenarios. The manual safety offers an added administrative safety option for those who desire it.
Competition & Training: For action pistol sports or dedicated practice, the MOS platform shines. Mounting a red dot sight simplifies the sighting process, allowing the shooter to focus on fundamentals like grip, stance, and trigger press. The Gen5’s enhanced trigger and marksman barrel contribute to consistent shot placement, making it an excellent tool for skill development and competitive use in suitable divisions.
Adaptable Carry Platform: While a compact pistol, its versatility is unmatched. It serves superbly as a concealed carry weapon for those who train extensively, and equally well as an open carry or duty sidearm for security professionals. The ability to run either iron sights or an optic, coupled with its vast aftermarket support, lets you configure one firearm for multiple roles effectively.
About Glock
Glock Ges.m.b.H. is not merely a firearm manufacturer; it is the engineering firm that revolutionized modern handgun design. Introduced in the 1980s, Glock’s polymer-framed, Safe Action pistol challenged conventional wisdom and set new benchmarks for reliability, durability, and simplicity. The company’s expertise is born from a relentless focus on functional design and rigorous testing. Each pistol, like the Glock 19 MOS Gen5, undergoes exhaustive quality control and is proven to withstand extreme environmental conditions and round counts far exceeding typical service life. This commitment to empirical performance over marketing flash has earned Glock the trust of military, law enforcement, and civilian shooters in over 100 countries. When you choose a Glock, you are selecting a tool engineered with a singular purpose: to function flawlessly when called upon.
Make Your Decision
The Glock 19 MOS Gen5 is a thoughtfully engineered iteration of a proven design. It answers the growing demand for optic-ready handguns without sacrificing the foundational qualities that define the Glock platform. Its value lies in its factory-original MOS configuration, Gen5 refinements, and the option for a manual safety. Consider this model if you require a versatile, rugged 9mm pistol that is prepared for both today’s iron sights and tomorrow’s optical technology, all backed by one of the most trusted names in the industry.
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Technical Specifications
Frequently Asked Questions
What caliber is the Glock 19 MOS Gen5 9mm 15rd 4.02″ Pistol PA195S203MOS?
The Glock 19 MOS Gen5 9mm 15rd 4.02″ Pistol PA195S203MOS is chambered in 9mm, offering an excellent balance of stopping power, capacity, and manageable recoil.
Does it come with a warranty?
Glock backs this firearm with their standard manufacturer warranty, reflecting their confidence in the product’s quality.
Is this suitable for concealed carry?
Yes, with its 1″ barrel, the Glock 19 MOS Gen5 9mm 15rd 4.02″ Pistol PA195S203MOS is well-suited for concealed carry.
What type of sights does it have?
The Glock 19 MOS Gen5 9mm 15rd 4.02″ Pistol PA195S203MOS comes equipped with standard sights, providing a clear sight picture.
What is the magazine capacity?
This model has a 15 capacity, providing adequate ammunition for most scenarios.

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