Glock 19 Gen 5 OEM Threaded Barrel

Upgrade your Glock 19 Gen 5 with a genuine Glock 19 Gen 5 OEM Threaded Barrel​ engineered for duty-grade accuracy, durability, and suppressor or compensator compatibility. Built to Glock factory specifications, the Glock 19 Gen 5 OEM threaded barrel delivers consistent performance, improved Gen-5 accuracy, and reliable cycling for range, duty, or defensive use.

Product Description | Specs for Glock 19 Gen 5 OEM Threaded Barrel​

The Glock 19 Gen 5 OEM Threaded Barrel is manufactured by Glock to exact OEM tolerances using high-strength steel and advanced surface treatments for corrosion resistance and longevity. Designed specifically for Gen 5 slides, this barrel features a threaded muzzle (commonly 1/2×28) to accommodate suppressors, compensators, and other muzzle devices.

Glock’s Marksman Barrel (GMB) rifling and refined chamber geometry provide enhanced accuracy, consistent lockup, and reliable feeding with factory and quality duty ammunition.

What’s Included For The Glock 19 Gen 5 OEM Threaded Barrel​

A standard Glock 19 Gen 5 OEM Threaded Barrel​ package typically includes:

• Glock 19 Gen 5 OEM threaded barrel
• Factory thread protector
• Thread protector O-ring (if applicable)

(Actual contents may vary by supplier; verify before purchase.)

Specifications

• Model: Glock 19 Gen 5 OEM Threaded Barrel​
• Manufacturer: Glock (OEM)
• Material: Glock proprietary steel alloy
• Finish: Black Glock nDLC
• Caliber: 9mm Luger
• Thread Pitch: 1/2×28 (RH)
• Rifling: Glock Marksman Barrel (GMB) rifling
• Compatibility: Glock 19 Gen 5 slides and frames
• Length: Extended (threaded muzzle protrusion beyond slide)

How to Install a Glock 19 Gen 5 OEM Threaded Barrel​

Install the Barrel

• Ensure the pistol is unloaded and clear
• Remove the slide from the frame
• Remove the factory barrel and recoil spring assembly
• Drop in the OEM threaded barrel and reinstall the recoil spring
• Reattach the slide to the frame

Function Check

• Rack the slide to confirm smooth movement
• Verify proper lockup and trigger reset with a dry-function check
• Install the thread protector when not using a muzzle device

(Follow Glock and suppressor manufacturer recommendations for proper use.)

How To Disassemble a Glock 19 Gen 5 with a Threaded Barrel

• Remove the slide assembly and store it separately
• Remove all magazines and store separately
• Use a cable lock or trigger lock through the frame or magwell
• Store ammunition separately
• Secure all components in a locked container or gun safe

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

Compatibility

• Fits: Glock 19 Gen 5 pistols
• Threads: 1/2×28 suppressors, compensators, and muzzle devices
• Ammunition: 9mm Luger (factory-spec recommended)
• Gen Mix: Designed for Gen 5 only; not compatible with Gen 3 or Gen 4 barrels or slides

What’s the Glock 19 Gen 5 OEM Threaded Barrel Made Of?

Glock 19 Gen 5 OEM Threaded Barrel is constructed from Glock’s proprietary steel alloy and finished with a durable nDLC coating. Glock Marksman Barrel rifling enhances accuracy while maintaining reliability, durability, and service life under hard use.

Customization Options

• Muzzle Devices: Suppressors, compensators, or blast diffusers
• Thread Protectors: OEM or aftermarket knurled protectors
• Recoil System Tuning: Some compensator setups may benefit from recoil spring tuning
• Suppressor Use: Compatible with Nielsen device (booster) systems

Note: Always function-test modified setups before duty or defensive use.

FAQs

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

Q: What thread pitch does the Glock 19 Gen 5 OEM barrel use?
The standard thread pitch is 1/2×28 RH.

Q: Can I use this barrel with a suppressor?
Yes, when paired with a compatible suppressor and booster system.

Q: Does Glock Marksman Barrel rifling improve accuracy?
Yes, GMB rifling provides improved consistency and accuracy over previous generations.

Q: Is this barrel drop-in?
Yes, it is a direct OEM drop-in barrel for Glock 19 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.