Glock 17 Vs 34: Performance Comparison And Guide

The Glock 17 and Glock 34 are two iconic pistols that have gained significant popularity among firearm enthusiasts and professionals alike. These pistols, manufactured by the Austrian company Glock, are renowned for their reliability, accuracy, and versatility. In this comprehensive article, we will delve into a detailed comparison of the Glock 17 and Glock 34, exploring their performance, features, and suitability for various applications.
Introduction to the Glock 17 and Glock 34

The Glock 17, introduced in 1982, revolutionized the handgun market with its polymer frame and simplified design. It quickly became a preferred choice for law enforcement agencies and civilians alike due to its exceptional reliability and ease of use. The Glock 34, on the other hand, was developed as a competition-oriented variant of the Glock 17, offering enhanced accuracy and a longer barrel for improved performance in precision shooting.
Glock 17: The Iconic Full-Size Pistol

The Glock 17 is a full-size pistol chambered in 9x19mm Parabellum. It has become a staple in law enforcement and has earned a reputation for its durability and dependability. With a standard magazine capacity of 17 rounds, the Glock 17 provides ample firepower for self-defense and tactical situations.
Key Specifications of the Glock 17
- Caliber: 9x19mm Parabellum
- Barrel Length: 4.49 inches (114 mm)
- Overall Length: 7.87 inches (200 mm)
- Height: 5.43 inches (138 mm)
- Weight (Unloaded): 21.16 oz (600 g)
- Magazine Capacity: 17 rounds (standard)
Performance and Features
The Glock 17 is known for its excellent ergonomics, offering a comfortable grip for shooters of various hand sizes. Its polymer frame reduces weight, making it easier to carry and handle. The pistol features a modular design, allowing users to customize it with different backstraps and grip textures to suit their preferences.
One of the standout features of the Glock 17 is its reliable and consistent trigger pull. The standard trigger has a smooth and crisp break, ensuring accurate and controlled shooting. Additionally, the Glock 17 incorporates a safe-action trigger system, which provides a three-point safety mechanism for added security.
In terms of accuracy, the Glock 17 performs admirably. Its polygonal rifling and precise manufacturing processes contribute to consistent and accurate shooting. The pistol's sights are designed for rapid target acquisition, making it well-suited for defensive and tactical scenarios.
Glock 34: The Competition-Ready Pistol
The Glock 34 is a competition-oriented variant of the Glock 17, designed to excel in precision shooting events. With a longer barrel and slide, the Glock 34 offers improved accuracy and a more comfortable shooting experience for competition shooters.
Key Specifications of the Glock 34
- Caliber: 9x19mm Parabellum
- Barrel Length: 5.31 inches (135 mm)
- Overall Length: 8.86 inches (225 mm)
- Height: 5.47 inches (139 mm)
- Weight (Unloaded): 23.63 oz (670 g)
- Magazine Capacity: 17 rounds (standard)
Performance and Features
The Glock 34’s longer barrel and slide provide a longer sight radius, resulting in enhanced accuracy. The pistol’s ergonomic design and extended beavertail help reduce felt recoil, allowing shooters to maintain a steady hold and shoot with precision.
Like the Glock 17, the Glock 34 features a safe-action trigger system, ensuring a consistent and safe trigger pull. The trigger's travel distance and reset are optimized for competition shooting, providing a crisp and responsive shooting experience.
The Glock 34's sights are designed with competition in mind. The fiber-optic front sight and adjustable rear sight allow shooters to quickly and accurately adjust their point of impact. The pistol's ambidextrous slide stop lever and magazine release provide convenience and ease of use for both left- and right-handed shooters.
Comparison: Glock 17 vs. Glock 34
While both the Glock 17 and Glock 34 share many similarities, there are distinct differences that set them apart and make them suitable for different purposes.
Size and Ergonomics
The Glock 17 is a full-size pistol, offering a larger grip and a longer barrel. Its dimensions provide a solid platform for shooting and are well-suited for shooters with larger hands. On the other hand, the Glock 34 has a slightly longer barrel and slide, resulting in a slightly increased overall length. This extra length can provide a more comfortable shooting experience for competition shooters, but it may be less suitable for concealed carry or everyday carry.
Accuracy and Precision
Both pistols are known for their accuracy, but the Glock 34 takes precision shooting to the next level. Its longer barrel and slide, along with the optimized trigger and sights, make it an excellent choice for competitive shooting. The Glock 17, while accurate, is designed with a focus on reliability and ease of use, making it a versatile choice for self-defense and law enforcement applications.
Magazine Capacity and Ammunition
The Glock 17 and Glock 34 share the same standard magazine capacity of 17 rounds. However, both pistols can accommodate extended magazines, increasing the overall capacity. The availability of various magazine sizes allows shooters to customize their carry or competition setup according to their specific needs.
Recoil and Felt Perception
The longer barrel and slide of the Glock 34 help to mitigate recoil, resulting in a more comfortable shooting experience. The extended beavertail and optimized grip texture further enhance the shooter’s control and reduce felt recoil. While the Glock 17 also performs well in terms of recoil management, the Glock 34’s design provides an edge in competition shooting, where every shot must be precise.
Customization and Accessories
Both pistols offer a wide range of customization options and aftermarket accessories. From different backstraps and grip textures to extended magazine releases and optic mounts, shooters can tailor their Glock 17 or Glock 34 to their specific preferences and requirements. The extensive aftermarket support for Glock pistols ensures that users can find the perfect accessories to enhance their shooting experience.
Suitability for Different Applications

The choice between the Glock 17 and Glock 34 depends on the intended use and personal preferences of the shooter.
Law Enforcement and Self-Defense
The Glock 17 has long been a trusted companion for law enforcement officers due to its reliability, accuracy, and ample magazine capacity. Its ergonomic design and ease of use make it well-suited for defensive situations. The Glock 34, while an excellent choice for competition shooting, may not be the first pick for law enforcement due to its longer barrel and slightly increased weight.
Competition Shooting
For competitive shooters, the Glock 34 is an obvious choice. Its longer barrel and slide, along with the optimized trigger and sights, provide an edge in precision shooting. The pistol’s ergonomics and reduced felt recoil contribute to improved performance and a more enjoyable shooting experience during competitions.
Concealed Carry and Everyday Use
The Glock 17’s compact size and reliable performance make it a popular choice for concealed carry. Its shorter barrel and slide, along with the availability of various holster options, allow for comfortable concealment. While the Glock 34 can also be carried concealed, its longer dimensions may be less practical for everyday carry, especially for individuals with smaller physiques.
Conclusion
The Glock 17 and Glock 34 are both exceptional pistols, each offering unique features and performance characteristics. The Glock 17, with its full-size design and proven reliability, is a versatile choice for law enforcement, self-defense, and everyday carry. On the other hand, the Glock 34’s competition-oriented design and enhanced accuracy make it an ideal choice for precision shooting events.
Ultimately, the decision between the two pistols comes down to the shooter's specific needs and intended use. Whether it's the Glock 17's reliability and practicality or the Glock 34's precision and competition-ready features, both pistols have earned their place as iconic firearms in the shooting community.
Can I use the same holsters for both the Glock 17 and Glock 34?
+While some holsters may accommodate both pistols, it’s important to note that the Glock 34 has a longer barrel and slide. Using a holster designed for the Glock 17 with the Glock 34 may result in a looser fit and potential retention issues. It’s recommended to use holsters specifically designed for the Glock 34 to ensure a secure and comfortable carry.
Are there any differences in the trigger pull between the Glock 17 and Glock 34?
+Yes, there are subtle differences in the trigger pull between the two pistols. The Glock 34’s trigger is optimized for competition shooting, offering a slightly shorter travel distance and a crisp reset. This provides a more responsive shooting experience, which is beneficial for rapid-fire competitions. The Glock 17’s trigger, while reliable and consistent, may have a slightly longer travel distance and a slightly heavier pull.
Can I convert a Glock 17 into a Glock 34?
+No, it is not possible to convert a Glock 17 into a Glock 34. The Glock 34 has a longer barrel and slide, and these components are not interchangeable with the Glock 17. Additionally, the Glock 34 has specific internal modifications to optimize its performance for competition shooting, which cannot be replicated on a Glock 17.