Upgrade Your Glock with Authentic OEM Barrels

When it comes to performance and reliability, nothing beats a Glock OEM Barrel.
Built by Glock for Glock pistols, OEM barrels deliver the exacting tolerances, precision rifling, and drop-in fitment trusted by military, law enforcement, and civilian shooters worldwide.

At Mounts Plus, we carry a wide selection of factory Glock barrels — including extended, threaded, and standard options — so you can restore, upgrade, or customize your Glock the right way.

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Why Choose a Glock OEM Barrel?

• Factory Fit and Drop-In Ready
  ➔ No gunsmithing required — perfect match to your Glock’s specifications.

• Precision-Machined Rifling
  ➔ Ensures consistent accuracy and reliable feeding, even under heavy use.

• Hard-Surface Treatment
  ➔ Glock’s advanced coating resists corrosion, wear, and fouling.

• Maintains Factory Point-of-Impact
  ➔ Critical for defensive and competition shooting scenarios.

▶ Pro Tip: Always verify your Glock’s model and generation before ordering to ensure 100% compatibility.

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Available Glock OEM Barrels by Model

Glock 20 Barrel – 6" 10mm

• Extended-length factory barrel for increased velocity

• Ideal for hunting or long-range shooting applications

• Hardened steel with black nitride finish

Glock 34 Gen5 Barrel – 9mm

• Factory extended barrel for competition-ready G34 pistols

• Precision rifling optimized for 9mm match-grade accuracy

• Drop-in installation with factory chamber dimensions

Glock 21 Gen4 Threaded Barrel – .45 ACP

• OEM threaded barrel for suppressor-ready builds

• Standard 1/2x28 thread pitch with included thread protector

• Built for full-size G21 Gen4 pistols

Glock 23 Threaded Barrel – .40 S&W

• Perfect upgrade for compact Glock 23s

• Threaded for muzzle device or suppressor compatibility

• Drop-in fit, factory accuracy guaranteed

Glock 44 Threaded Barrel – .22 LR

• Precision threaded barrel for Glock’s rimfire training platform

• Lightweight construction ideal for suppressed .22LR setups

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Benefits of Upgrading to a Glock OEM Barrel

Feature	Advantage
Factory Fit	Eliminates reliability issues common with aftermarket barrels
Longevity	Engineered for tens of thousands of rounds
Accuracy	Maintains Glock factory point-of-aim/impact
Suppressor-Ready Options	Threaded OEM barrels available with thread protectors

▶ Bonus: Glock OEM barrels preserve your pistol’s factory warranty in many cases, unlike third-party barrels.

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How to Install a Glock OEM Barrel

Installation is simple and requires no special tools:

1. Unload the firearm completely.

2. Field strip your Glock by removing the slide assembly.

3. Swap the old barrel for the new OEM barrel.

4. Reinstall the recoil spring assembly and slide.

5. Perform a function check before live fire testing.

▶ Tip: Always use Glock-approved lubricants and cleaning procedures to extend barrel life.

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Glock OEM Barrels vs. Aftermarket Barrels: What's the Difference?

Glock OEM Barrel	Aftermarket Barrel
Made to Glock factory specs	May vary in chamber specs and rifling
Drop-in fit, no gunsmithing	May require fitting
Factory-supported for warranty	Aftermarket barrels could void warranty
Trusted by professionals worldwide	Quality varies depending on brand

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FAQs About Glock OEM Barrels

Are Glock OEM barrels better than aftermarket barrels?

For reliability, consistency, and fitment — yes. Glock OEM barrels guarantee a proper chamber and bore, perfect cycling, and long-term durability.

Are Glock OEM barrels drop-in ready?

Yes. They are designed for true drop-in installation with no need for gunsmith fitting.

Are Glock OEM barrels threaded for suppressors?

Some models are! Mounts Plus offers Glock OEM threaded barrels for the G21 Gen4, G23, and G44 models.

Can I expect improved accuracy with a Glock OEM barrel?

Yes. Glock OEM barrels maintain factory-standard accuracy — a key factor for defensive, duty, and competition guns.

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Shop Genuine Glock OEM Barrels at Mounts Plus

Upgrade your Glock the right way with genuine factory barrels that deliver uncompromising performance.
At Mounts Plus, you’ll find:

• Authentic Glock OEM barrels

• Competitive pricing

• Fast U.S. shipping

• Knowledgeable customer service

Factory fit. Factory accuracy. Mounts Plus.

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