Thread Protector 1/2 x 28 (9mm & .357SIG Barrel) Hex in Red

This Thread Protector 1/2 x 28 in a bold Red Hex design is a functional and aesthetic upgrade for your Glock barrel. If you run a 9mm or .357SIG pistol with a threaded muzzle, this cap is essential for protecting those precision threads from impact, debris, and corrosion. It screws on securely to keep your threads clean for when you attach a compensator or suppressor, and its vibrant red finish offers a sharp, personalized look. Miami Shooters Supply delivers this crucial Glock part with the fast shipping you need to get your gear range-ready.

Key Features

• Precision machined from durable, heat-resistant aluminum alloy for reliable performance.
• Features a six-sided hex design for easy installation and removal using a standard wrench or socket.
• Vibrant, anodized red finish provides high visibility and corrosion resistance while adding a custom touch.
• Installs in seconds by hand-tightening directly onto your barrel’s external threads.
• Serves as a protective cap to prevent thread damage during transport, storage, or dry-fire practice.
• Maintains your barrel’s profile and prevents snagging compared to larger muzzle devices.

Built For

This thread protector is built for Glock owners who value both protection and personalization. It’s ideal for the shooter who wants to safeguard their factory or aftermarket threaded barrel when a muzzle device isn’t attached, ensuring long-term reliability. The standout red hex style is perfect for those who appreciate a touch of color to distinguish their firearm in the safe or on the firing line.

Specifications

• Thread Pitch: 1/2″ x 28 TPI (Standard for 9mm/.357SIG)
• Caliber Compatibility: 9mm Luger & .357 SIG
• Material: 6061 Aluminum with Type III Hard Anodized Finish
• Design: Hex (6-sided) Profile
• Color: Red

FAQ

Will this fit my Glock 19 Gen 5 with a threaded barrel?
Yes, if your Glock 19 Gen 5 barrel is threaded 1/2″ x 28 for 9mm, this thread protector will fit perfectly. Always verify your barrel’s thread pitch before ordering.

Is the red finish durable or will it wear off?
The finish is a hard anodized coating, which is integral to the aluminum and highly resistant to chipping, fading, and wear from holstering or handling. It is not simply painted on.