The Glock 19 Gen 4 is a variant of the Glock 19 pistol, which is chambered in 9mm Parabellum (9mm Luger). The Glock 19 Gen 4 incorporates several updates and enhancements compared to earlier generations.Here are some notable features of the Glock 19 Gen 4:

1. Compact Size: The Glock 19 is known for its compact size, making it suitable for concealed carry and general-purpose use. It has a slightly shorter barrel and grip compared to the full-size Glock 17, providing a balance between concealability and shootability.
2. Modular Backstrap System: Similar to the Glock 17 Gen 4, the Glock 19 Gen 4 includes a modular backstrap system that allows users to customize the grip size. This feature provides options for different hand sizes and preferences, enhancing ergonomics and control.
3. Dual Recoil Spring Assembly: The Gen 4 models feature a dual recoil spring assembly, which helps reduce felt recoil and improves the overall durability of the pistol.
4. Enlarged Reversible Magazine Release: The Gen 4 models feature an enlarged magazine release that is reversible, allowing for ambidextrous operation and improved accessibility for left-handed shooters.
5. Rough Textured Frame: The Glock 19 Gen 4 features the rough textured frame (“RTF” or “Gen 4 Rough Textured” frame) that enhances grip traction and control, especially in adverse conditions.
6. Magazine Capacity: The standard magazine capacity for the Glock 19 Gen 4 is typically 15 rounds. However, depending on your jurisdiction and local regulations, there may be restrictions on magazine capacity.

The Glock 19 Gen 4 is a versatile and popular choice for concealed carry, home defense, and general shooting purposes. As always, it’s important to ensure compliance with the applicable laws and regulations regarding firearm ownership and purchase in your specific location.