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Glock OEM Threaded Barrel - Factory Glock Barrels for G21, G23, G44
Enhance Your Glock with Authentic OEM Threaded Barrels
If you're planning to suppress your Glock or simply want to add a compensator or muzzle device, the best upgrade starts with a Glock OEM Threaded Barrel. Designed by Glock engineers, these barrels offer flawless factory fit, precision rifling, and robust durability — ensuring reliable cycling and accuracy.
At Mounts Plus, we stock genuine Glock threaded barrels for popular models like the G21, G23, and G44. Whether you're building a suppressed handgun, improving barrel performance, or restoring a pistol to factory spec, our OEM barrels deliver the performance and reliability serious shooters demand.
Why Choose a Glock OEM Threaded Barrel?
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Perfect Factory Fit
➔ No gunsmithing required — true drop-in fit for your Glock model. -
Suppressor-Ready Design
➔ 1/2x28 thread pitch (or appropriate metric thread) for easy attachment of suppressors and compensators. -
Precision Rifling
➔ Maintains factory-level accuracy and shot consistency. -
Factory Thread Protector Included
➔ Protects barrel threads when a muzzle device is not installed.
▶ Pro Tip: Always use a factory barrel when running a suppressor to minimize reliability issues and ensure proper chamber dimensions.
Supported Glock Models
We offer OEM threaded barrels for:
Glock G21 Gen 4 – .45 ACP
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Suppressor-ready barrel for G21 full-size pistols
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Precision-machined for 1/2x28 threaded attachments
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Factory thread protector included
Glock G23 – .40 S&W
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Drop-in threaded barrel for compact Glock 23 models
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Perfect for building suppressor-ready defensive pistols
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Maintains factory point-of-impact
Glock G44 – .22 LR
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Precision-threaded barrel for Glock 44 pistols
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Ideal for suppressed rimfire practice guns
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Factory thread pitch ready for .22 caliber suppressors
Benefits of Running a Glock OEM Threaded Barrel
| Benefit | Description |
|---|---|
| Suppressor Ready | Secure 1/2x28 threading (or specific metric) for easy suppressor installation |
| Reliability | Factory tolerance and rifling ensures no feeding or cycling issues |
| Long-Term Durability | Hardened steel construction resists wear and maintains accuracy |
| Drop-In Installation | No fitting or gunsmithing needed — truly plug and play |
How to Install a Glock OEM Threaded Barrel
Installing a threaded barrel into your Glock is simple:
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Ensure firearm is unloaded.
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Field strip your Glock.
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Remove the original barrel.
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Insert the Glock OEM threaded barrel into the slide.
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Reinstall the recoil spring and reassemble the pistol.
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Screw on the included thread protector or your chosen muzzle device.
▶ Pro Tip: If using a suppressor, ensure you use a suppressor-height sight set for proper aiming clearance.
FAQs About Glock OEM Threaded Barrels
Do Glock OEM threaded barrels fit all Glock models?
No. Each threaded barrel is model-specific. Always match the barrel to your Glock’s model and generation (e.g., G21 Gen4, G23, G44).
Are Glock OEM threaded barrels drop-in ready?
Yes. These barrels are precision-machined to Glock factory tolerances and require no fitting.
Can I use a suppressor with a Glock OEM threaded barrel?
Absolutely. Glock threaded barrels are made specifically to accept standard suppressors or compensators.
Do Glock threaded barrels come with a thread protector?
Yes! Every Glock OEM threaded barrel includes a factory thread protector to safeguard the threads when no device is installed.
Shop Genuine Glock OEM Threaded Barrels at Mounts Plus
Trust your suppressor-ready build to Glock factory precision.
At Mounts Plus, we offer:
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Authentic Glock OEM threaded barrels
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Fast U.S. shipping
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Competitive pricing
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Expert support from firearm enthusiasts
Shoot quieter. Shoot better. Trust Glock and Mounts Plus.