Glock 19 Gen 3 OEM Barrel

Restore factory performance with a genuine Glock 19 Gen 3 OEM barrel built for reliability, accuracy, and long service life. Glock manufactures this barrel to exact factory specifications, ensuring consistent lockup, smooth feeding, and dependable cycling for range, duty, or defensive use.

Product Description | Specs for Glock 19 Gen 3 OEM Barrel

Glock manufactures the Glock 19 Gen 3 Barrel from high-strength steel and applies a durable factory finish to resist wear and corrosion. This barrel drops directly into Glock 19 Gen 3 slides and uses Glock’s factory polygonal rifling and optimized chamber geometry to deliver reliable cycling and consistent accuracy with factory-spec ammunition.

What’s Included For Glock 19 Gen 3 OEM Barrel

A standard Glock 19 Gen 3 barrel package includes:

• Glock 19 Gen 3 OEM barrel

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

Specifications

• Model: Glock 19 Gen 3 OEM Barrel
• Manufacturer: Glock (OEM)
• Material: Glock proprietary steel alloy
• Finish: Black Glock factory finish (Tenifer / nitride-treated)
• Caliber: 9mm Luger
• Rifling: Glock factory polygonal rifling
• Compatibility: Glock 19 Gen 3 slides and frames
• Length: Standard factory length (non-threaded)

How to Install a Glock 19 Gen 3 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
• Check proper lockup and trigger reset with a dry-function test
• Perform a final safety check before live fire

How To Disable a Glock 19 Gen 3 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 19 Gen 3 pistols
• Ammunition: 9mm Luger (factory-spec recommended)
• Gen Mix: Designed specifically for Gen 3; not compatible with Gen 4 or Gen 5 barrels or slides

What’s the Glock 19 Gen 3 OEM Barrel Made Of?

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

Customization Options

• Recoil System: Pair with OEM or duty-grade recoil spring assemblies
• Factory Restoration: Ideal for maintaining original Glock performance
• Aftermarket Slides: Confirm tolerance compatibility before installation

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 3 specifications.

Q: Is this barrel threaded?
No. This is a standard, non-threaded factory 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 19 Gen 3 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.