Glock 19 GEN 4 MOS 9mm, with three 15 round mags.

The Glock 19 Gen 4 MOS (Modular Optic System) is a variant of the Glock 19 Gen 4, chambered in 9mm Luger (9x19mm Parabellum), that is designed to accommodate various optical sights. It is a popular choice for those who prefer to use red dot sights or other optics for improved aiming and target acquisition. Here are the key features and specifications of the Glock 19 Gen 4 MOS:

1. Caliber: 9mm Luger (9x19mm Parabellum)
2. Capacity: The standard magazine capacity is 15 rounds. Higher-capacity magazines, such as those with 17 or 33 rounds, may be available.
3. Barrel Length: 4.02 inches
4. Overall Length: 7.28 inches
5. Weight: Approximately 23.65 ounces (unloaded)
6. Frame: Polymer construction, providing a lightweight and durable design.
7. Sights: The Glock 19 Gen 4 MOS comes with a slide cutout in front of the rear sight that allows for the installation of various optical sights, including red dot sights, reflex sights, or other compatible optics.
8. Trigger: The Gen 4 models feature an improved trigger system compared to earlier generations, offering a crisper trigger pull and adjustable backstraps to customize the grip size and feel.
9. Safety Features: The Glock 19 Gen 4 MOS incorporates several safety features, including a trigger safety, firing pin safety, and drop safety.
10. Accessories: The pistol has a standard accessory rail (Picatinny or Glock rail) on the frame, allowing for the attachment of accessories like lights or lasers.
11. Ergonomics: The Glock 19 Gen 4 MOS has an ergonomic grip design with interchangeable backstraps, allowing users to customize the grip size and feel. The grip also has textured surfaces for improved grip and control.
12. Slide: The Glock 19 Gen 4 MOS features a black finished slide with front and rear serrations for easy manipulation.

With the MOS configuration, shooters have the option to mount various optical sights directly onto the slide, allowing for faster target acquisition and improved accuracy. However, it’s important to note that the Glock 19 Gen 4 MOS does not come with an optic included. Optics must be purchased separately and installed on the slide using the appropriate mounting plates or adapters.

Please refer to the manufacturer’s website or consult the specific model’s manual for the most accurate and up-to-date information on the Glock 19 Gen 4 MOS. Additionally, ensure that you are familiar with and comply with local laws and regulations regarding the purchase and use of firearms chambered in 9mm Luger.