SilencerCo 1/2×28 thread protector in black steel. Protects 1/2×28 threads on many U.S.-made 9mm barrels and AR-platform firearms during transport or storage.
The SilencerCo AC1360 Thread Protector provides a simple, reliable method to preserve barrel threads when a muzzle device or suppressor is not installed. It threads onto 1/2×28 tpi barrels to shield threads from dust, debris and incidental damage during transport or storage. The protector is made of steel with a black finish and is compatible with many U.S.-made 9mm barrels and AR-platform firearms. Use cases include protecting threads while a suppressor is not fitted and keeping threads clean while awaiting approvals or during long-term storage.
Product Specifications
The manufacturer is SilencerCo.
The model is listed as AC1360 Thread Protector.
The material is Steel.
The finish is Black.
The thread pattern is 1/2×28.
The listed dimension/series is 1/2×28.
The product type is Thread Protector.
The listed caliber compatibility is 9mm.
The described firearm type is AR Platform.
The color is Black.
The NFA thread pattern is 1/2×28.
The weight is 0.05 (unit as provided by source).
The UPC is 817272015553.
This compact steel protector is designed to be a no-nonsense accessory for owners who want to maintain thread integrity without adding bulk. It offers straightforward protection during transport, storage, or while waiting for accessories, and installs quickly by hand—take care to avoid cross-threading when fitting. Built to match common 1/2×28 thread standards, it provides durable, low-profile coverage so threads remain serviceable and ready for future use.
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