Hughes Precision .812 OD .625 Length 1/2X28 Thread Protector Black

This is a machined thread protector .625″ long, with a fluted .812″ OD. This is a common diameter found on many Varmint barrels. This is considered a Long Thread Protector as most 1/2-28 threads are .500″ long. It fits Barrels and Adapters Using 1/2″-28 Threads Per Inch. Don’t run the risk of damaging the threads when muzzle accessories are not being used. Please measure the length of the thread on your barrel or adapter to be sure that 5/8″ LONG will cover your thread. Protective Cap is 4140 Steel with a Black Oxide Finish Approximate Dimensions .812″ O.D. X .625″ OAL.