Glock 34 Gen 5 OEM Barrel

Restore factory competition-grade performance with a genuine Glock 34 Gen 5 OEM barrel engineered for accuracy, reliability, and long service life. Glock manufactures this barrel to exact Gen 5 factory specifications, delivering consistent lockup, smooth feeding, and dependable cycling for competition, range, or duty use.

Product Description | Specs for Glock 34 Gen 5 OEM Barrel

Glock manufactures the Glock 34 Gen 5 Barrel from high-strength steel and applies a durable factory nDLC finish to resist wear and corrosion. This barrel drops directly into Glock 34 Gen 5 slides and features Glock’s enhanced Glock Marksman Barrel (GMB) rifling with optimized chamber geometry. The longer sight-radius barrel design maximizes accuracy potential while maintaining Glock’s renowned reliability with factory-spec ammunition.

What’s Included For Glock 34 Gen 5 Barrel

A standard Glock 34 Gen 5 barrel package includes:

• Glock 34 Gen 5 OEM barrel

(Package contents may vary by supplier. Always verify before purchase.)

Specifications

• Model: Glock 34 Gen 5 OEM Barrel
• Manufacturer: Glock (OEM)
• Material: Glock proprietary steel alloy
• Finish: Black Glock factory finish (nDLC / nitride-treated)
• Caliber: 9mm Luger
• Rifling: Glock Marksman Barrel (GMB) rifling
• Compatibility: Glock 34 Gen 5 slides and frames
• Length: Extended factory competition length (non-threaded)

How to Install a Glock 34 Gen 5 Barrel

Install the Barrel

• Confirm the pistol is unloaded and clear
• Remove the slide from the frame
• Remove the recoil spring assembly
• Remove the existing barrel
• Install the OEM barrel
• Reinstall the recoil spring and attach the slide to the frame

Function Check

• Rack the slide to confirm smooth movement
• Verify proper lockup and trigger reset with a dry-function test
• Perform a final safety check before live fire

How To Disable a Glock 34 Gen 5 with an OEM Barrel

1. Remove the slide assembly and store it separately
2. Remove all magazines and store them separately
3. Secure the frame with a cable lock or trigger lock
4. Store ammunition separately
5. Lock all components in a secure container or safe

For permanent disabling or compliance requirements, consult a licensed gunsmith or FFL.

Compatibility

• Fits: Glock 34 Gen 5 pistols
• Ammunition: 9mm Luger (factory-spec recommended)
• Gen Mix: Designed specifically for Gen 5; not compatible with Gen 3 or Gen 4 barrels or slides

What’s the Glock 34 Gen 5 OEM Barrel Made Of?

Glock machines this barrel from its proprietary steel alloy and applies a factory nDLC/nitride finish to enhance wear resistance and corrosion protection. Glock Marksman rifling improves accuracy, consistency, and barrel life when used with jacketed ammunition.

Customization Options

• Recoil System: Pair with OEM or competition-grade recoil spring assemblies
• Competition Setup: Ideal for USPSA, IPSC, and range performance
• Factory Restoration: Maintains original Glock balance and reliability

Note: Glock polygonal barrels are designed for jacketed ammunition.

FAQs

Q: Is this a genuine Glock OEM barrel?
Yes. Glock manufactures this barrel to OEM Gen 5 specifications.

Q: Is this barrel threaded?
No. This is a standard, non-threaded factory competition barrel.

Q: Does this barrel require fitting?
No. It installs as a direct drop-in replacement.

Q: What ammunition should I use?
Use factory-spec 9mm Luger ammunition with jacketed bullets.

Q: Will this barrel fit other Glock generations?
No. Glock designed this barrel exclusively for Glock 34 Gen 5 pistols.

DISCLAIMER

OEMGlockParts.com provides aftermarket and compatible parts and components for GLOCK pistols. We operate independently and do not represent, endorse or have any connection with GLOCK, Inc. or GLOCK Ges.m.b.H.

GLOCK, Inc. and GLOCK Ges.m.b.H own the trademark “GLOCK” and other related marks. We mention “GLOCK” only to identify parts and products that fit or work with GLOCK pistols.