Glock 34 Duty & Competition Holster

Duty & Competition OWB Holster for Glock 34 Gen 5 and Full-Size Glock 9mm/.40 Pistols

This Outside Waistband Duty & Competition Style Holster is precision-formed to fit the Glock 34 Gen 5, and also accommodates a wide range of Glock 9mm and .40 S&W pistols. Designed for performance-driven applications like USPSA, 3-Gun, and Steel Challenge, this holster is optimized for competitive and light-duty use.

Fits the following models:

Glock 34 Gen 5

Glock 17 (Gen 3, 4, 5)

Glock 19 (Gen 3, 4, 5)

Glock 45

Glock 23 (Gen 3 & 4)

Glock 22 (Gen 3 & 4)

Not compatible with Glock 22 or Glock 23 Gen 5 pistols.

Product Highlights:

• Built for Glock 34 Gen 5 and compatible full-size/compact Glock frames
• Red dot sight compatible (RDS-ready)
• Open muzzle accommodates threaded barrels or comps
• Adjustable retention for secure fit and fast draw
• Molded from rugged .093" thermoplastic
• Vacuum-formed with CNC-machined precision molds
• Tested for final fit using actual firearms
• Proudly made in the USA

Maintenance Tip:

Apply a removable thread locker (e.g., blue Loctite) to all screws after setup. This ensures hardware remains secure under heavy use, especially during competition or training.

More Info:

Our Belt Attachment Blog Article explaining the different options can be found here:

4BROS Four Brothers Holsters Outside Waistband Attachments Explained

See all our Duty and Competition Holsters here:

Four Brothers Holsters Duty and Competition Collection

Magazine Pouches for these models can be found here:

Glock 34 9mm IWB Magazine Pouch

Glock 34 9mm OWB Magazine Pouch

FAQ: Glock 34 Duty & Competition Holster

Q: What models does this holster fit besides the Glock 34 Gen 5?
A: It fits Glock 17, 19, 23, 45, Gen 5 9mm MOS, and Glock 22 Gen 3 & 4. It is not compatible with the Glock 22 Gen 5 or Glock 23 Gen 5.

Q: Will this holster fit a red dot optic?
A: Yes. This holster is optic-ready and cut to clear most slide-mounted red dot sights.

Q: Is it legal for IDPA use?
A: This holster is primarily designed for USPSA, 3-Gun, and Steel Challenge. It may not meet IDPA restrictions—please check your division's rules.

Q: Can I use a threaded barrel?
A: Yes, the open muzzle design allows full compatibility with threaded barrels and compensators.

Q: Is retention adjustable?
A: Absolutely. The holster includes adjustable retention hardware so you can fine-tune your draw feel.

Q: Do you offer matching magazine carriers?
A: Yes! We offer both IWB and OWB magazine pouches for Glock 9mm magazines.

Q: What if I don’t see my Glock variant listed?
A: Please contact us — we’re happy to help you find or build the right holster.