Understanding Glock 17, 18, 19 and Gen Models: A Comprehensive Guide

When it comes to the Glock family of firearms, there can be some confusion about the differences between models like the Glock 17, 18, and 19, and their respective generations. In this comprehensive guide, we will clarify these differences and help you choose the best Glock model for your needs.

The Difference Between a Glock 17, 18, and 19

The terms 'Glock 17,' 'Glock 18,' and 'Glock 19' refer to specific firearm models within the Glock family. They are all based on the original Glock 17 design, with each model serving a unique purpose.

Glock 17

The Glock 17 is considered a full-size pistol and is often referred to simply as the 'Glock.' It is a reliable and durable semi-automatic pistol designed for law enforcement and civilian use. The model numbers '17' to '4' refer to the generations of this particular model. Each generation represents incremental improvements but maintains the same core design.

Key Features of Glock 17 (Gens 1–4)

17 rounds of capacity Full-size, easy to handle Available in older generations (gens 1–3) and the latest (gen 4) for better modern features Stable and reliable with ease of use Glock 17 Generations

Each generation of the Glock 17 introduces slight improvements, such as:
- Gen 4: Back straps for a more comfortable grip
- Gen 3: The best trigger, offering a 3-pound pull when properly shaped

Glock 18

The Glock 18 is a semi-automatic select-fire weapon, meaning it can fire in full-auto mode. However, due to strict regulations, it is rare, expensive, and requires additional paperwork to purchase. The '18' specifically signifies its ability to fire in full-auto mode, unlike the semi-auto Glock 17.

Key Features of Glock 18

Select fire capability (full-auto) Same design as Glock 17, but with a selector switch 17 rounds of capacity

Glock 19

The Glock 19 is a semi-automatic pistol with a smaller frame and grip, making it more compact and easier to conceal. It is considered a compact version of the full-size Glock 17.

Key Features of Glock 19

Same design and chamber as the Glock 17 15 rounds of capacity (Gens 1–4) Shorter slide and grip, slightly smaller barrel (by 0.5 inches) Very popular among law enforcement agencies

Choosing the Right Glock Model

If you are considering purchasing a Glock, the newest generation is generally recommended for most users. For the 17 and 19 models, the latest generation (gen 5) offers the most up-to-date features. However, there are often savings to be had by opting for older generation models, such as 4 or 3, which remain of equal quality and reliability. Here are some factors to consider:

Functionality and Reliability

Glock firearms are renowned for their durability and reliability, even in less-than-ideal conditions. They are known to function well under various environmental conditions, making them a popular choice for both law enforcement and civilians.

Conclusion

In summary, the differences between the Glock 17, 18, and 19 models, and their respective generations, are primarily in terms of size, capacity, and functionality. The Glock 17 is full-size with 17 rounds of capacity, while the 18 offers full-auto capabilities, and the 19 is a more compact version with 15 rounds. Each generation of these models builds on the previous one, introducing incremental improvements. Understanding these differences will help you choose the best Glock model for your specific needs.