This Thread Protector 1/2 x 28 is a simple, essential accessory for anyone running a threaded 9mm or .357SIG barrel. It’s designed to screw directly onto your barrel’s threads, providing crucial protection from impacts, debris, and cross-threading during storage or transport. This black coil-style protector from Miami Shooters Supply is a cost-effective way to maintain the integrity of your barrel’s threads, ensuring your muzzle device mounts perfectly when you need it. For Glock owners and other shooters with compatible barrels, it’s a small part that solves a big potential problem.
Key Features
- Precision 1/2 x 28 thread pitch matches standard 9mm/.357SIG barrels.
- Coil spring design provides a secure, rattle-free fit that resists loosening under recoil or handling.
- Durable black finish protects against corrosion and matches common firearm aesthetics.
- Installs in seconds with hand-tightening—no tools required for basic installation.
- Shields critical barrel threads from dirt, dings, and damage during everyday use.
- Maintains a low-profile look on your handgun when a compensator or suppressor isn’t mounted.
Built For
This protector is ideal for Glock owners with aftermarket threaded barrels, or anyone with a compatible 9mm or .357SIG pistol platform. It’s perfect for range use, secure storage, or as a placeholder when your primary muzzle device is removed. If you value protecting your investment and ensuring reliable accessory mounting, this is a must-have Glock part.
Specifications
- Thread Pitch: 1/2″ x 28 TPI (Right-Hand)
- Caliber Compatibility: 9mm, .357SIG
- Material: Steel with a black oxide or similar protective finish
- Style: Coil spring design
- Finish: Matte Black
FAQ
Will this fit my factory Glock barrel?
No, factory Glock barrels are not threaded. This thread protector is designed for aftermarket barrels specifically manufactured with 1/2 x 28 external threads.
How do I install it?
Simply hand-tighten the protector clockwise onto your clean barrel threads. For a more secure fit, you can use a small amount of witness-markable thread locker, though it’s often not necessary with the coil design.
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