Thread protectors from Yankee Hill Machine and Gemtech that cover and protect the threads on rifle and pistol barrels when no muzzle device is installed.
Match the thread pitch and direction to your barrel. Metric left-hand threads such as M13.5x1 LH are not interchangeable with 1/2x28 or other standard threads.
Products List
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Gemtech Thread Protector M13.5x1LH
Gemtech$19.00The Gemtech M13.5x1 LH thread protector covers and protects left-hand M13.5x1 pistol barrel threads when no suppressor is mounted.FeaturesProtects exposed muzzle threadsLeft-hand M13.5x1... -
Yankee Hill Pistol Barrel Thread Protector M13.5x1 LH
Yankee Hill Machine$15.50A steel thread protector from Yankee Hill Machine for 9mm pistol barrels threaded M13.5x1 left-hand. It covers and protects the barrel threads whenever a suppressor or muzzle device is not installed...
