This Thread Protector 1/2 x 28 in a vibrant Red Coil finish is a functional and aesthetic upgrade for your Glock barrel. If you run a 9mm or .357SIG Glock with threaded muzzle, this cap is essential for protecting those precision threads from impact damage, debris, and corrosion. It screws on securely to maintain your barrel’s integrity and gives your pistol a sharp, customized look without the bulk of a permanent muzzle device. Miami Shooters Supply delivers this simple but critical Glock part with our standard fast shipping.
Key Features
- Precision machined to the common 1/2″ x 28 TPI (Threads Per Inch) thread pitch.
- Designed specifically for 9mm and .357 SIG caliber barrels where this thread pitch is standard.
- Distinctive “Coil” design with deep, spiraled grooves for a superior grip when hand-tightening or removing.
- Finished in a durable, anodized Red that provides both high visibility and corrosion resistance.
- Lightweight design adds minimal weight to the muzzle, preserving the pistol’s natural balance.
- Recessed rear face ensures a clean fit against the barrel shoulder when properly installed.
Built For
This thread protector is built for the Glock owner who values both protection and personalization. It’s ideal for keeping threads safe during everyday carry, range use, or storage, especially if you occasionally remove a compensator or suppressor. The bold red coil style is for shooters who appreciate a touch of color and mechanical detail on their firearm.
Specifications
- Compatibility: Glock barrels (and other pistol barrels) with 1/2″ x 28 threads in 9mm or .357 SIG.
- Material: 6061 or 7075 Aluminum with a hard-anodized finish.
- Finish: Red Anodized.
- Thread Pitch: 1/2″ x 28 TPI.
- Design: Coil-style with deep fluting for grip.
FAQ
Will this fit my .40 caliber Glock barrel?
No. Standard .40 S&W barrels typically use a different M16x1 LH (left-hand) thread pitch. This protector is specifically for 1/2×28 threads found on most 9mm and .357 SIG barrels.
Does it come with a wrench or require one?
It does not include a wrench. The coil design provides excellent grip for hand-tightening, which is sufficient. Over-tightening with a tool is not recommended and could damage the threads.
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