This Thread Protector 1/2 x 28 in Copper is a functional and aesthetic upgrade for your Glock barrel. Designed specifically for 9mm and .357SIG barrels with the common 1/2×28 thread pitch, this part screws directly onto your muzzle threads to protect them from impact, debris, and corrosion. The unique copper finish offers a distinct, classic look that stands out from standard black protectors, all while performing its essential job. Every serious Glock owner needs to safeguard their barrel’s threads, especially when a suppressor or compensator isn’t mounted.
Key Features
- Manufactured from solid copper for durability and a unique aesthetic.
- Precision 1/2×28 thread pitch matches standard 9mm and .357 SIG Glock barrels.
- Hex-shaped design allows for secure installation and removal using a standard wrench.
- Prevents damage to critical muzzle threads from dings, dirt, and moisture.
- Provides a finished look to your handgun when shooting unsuppressed.
- Direct from Miami Shooters Supply with reliable, fast shipping.
Built For
This copper thread protector is ideal for Glock owners who run their pistols both suppressed and unsuppressed, needing reliable thread protection during range sessions or carry. It’s also perfect for enthusiasts who appreciate custom metallic accents on their firearm, wanting the performance of a standard protector with the standout appearance of copper. This is a straightforward Glock part that serves a clear purpose.
Specifications
- Compatibility: Glock barrels chambered in 9mm and .357 SIG with 1/2×28 muzzle threads.
- Material: Solid Copper.
- Thread Pitch: 1/2 Inch x 28 TPI (UNEF).
- Finish: Polished Copper.
- Design: Hex profile for tooled installation.
FAQ
Will this thread protector come off under recoil?
When properly installed and snugged down with a wrench, it should remain secure. We recommend checking tightness periodically as with any muzzle device.
Is the copper finish durable or will it wear?
Copper is a softer metal and will develop a patina over time with handling, which many owners find desirable. For a pristine look, it can be polished easily with common metal cleaners.


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