Glock 34
The Glock 34 is Glock's purpose-built competition pistol — a long-slide 9mm with a 5.31-inch barrel that delivers the extended sight radius, reduced muzzle flip, and improved balance that competitive shooting demands. Used extensively in USPSA Production and IDPA Enhanced Service Pistol divisions, the G34 gives competition shooters the accuracy advantages of a longer barrel while retaining the standard Glock platform their training is already built around.
Read our full Glock 34 Buying Guide ↓
Competition Advantages of the G34 Over the G17
The G34's competition advantages come from its longer slide: the 5.31-inch barrel provides a longer sight radius that makes shot-to-shot accuracy more consistent, particularly at the 15–25 yard distances common in USPSA stages. The longer slide adds weight forward of the action, reducing muzzle flip and making splits faster and more consistent. The G34 ships with a lighter 5.5-lb trigger connector versus the standard 8-lb, providing a competition-appropriate pull without aftermarket work. These advantages compound over thousands of rounds into measurably better performance than the G17 provides.
G34 vs. G17: Which Is the Better Choice?
The G34 is the right choice for competition shooting in USPSA Production, IDPA ESP, and similar divisions. For duty carry, home defense, and general-purpose use where the longer slide is a concealability liability rather than an advantage, the G17 is the better choice. The G34 is a purpose-built competition tool — it is not optimized for carry. If you're buying one Glock to serve multiple roles, the G17 is the more practical choice. If you're buying specifically for competition, the G34's advantages are real and measurable.
G34 Gen 5 MOS
The Gen 5 G34 MOS adds a factory optics cut for Carry Optics division competition — the fastest-growing USPSA division where optics are required. The Gen 5 also removes the finger grooves and adds the flared magwell standard. For Carry Optics division, the G34 MOS is the Glock competition platform of choice. See our Holosun page for compatible competition red dots.
Aftermarket for Competition
The G34 has the full depth of the Glock aftermarket behind it — trigger upgrades, magwells, extended slide stops, and sight options from every major aftermarket manufacturer. For USPSA Production division, rules limit modifications significantly, making the G34's factory advantages more important. The factory G34 is legal and competitive in Production division without any modifications.
Frequently Asked Questions
Is the Glock 34 legal for USPSA Production division?
Yes — the Glock 34 Gen 3, Gen 4, and Gen 5 are all on the USPSA Production division approved list. The G34 is one of the most popular Production division pistols precisely because its factory advantages are competition-legal without modifications.
What is the difference between the Glock 34 and Glock 17?
The G34 has a 5.31-inch barrel versus the G17's 4.49-inch, a longer sight radius, reduced muzzle flip, and a lighter factory trigger connector. The G17 is more practical for duty and carry use. The G34 is the better choice specifically for competition shooting.
Does Impact Guns carry the Glock 34?
Yes. Impact Guns carries the Glock 34 Gen 5 and ships nationwide. See our Glock brand page and competition guns page for more options.