This thread protector can be used if you want to keep your 1/2-28 Sparrow adapter attached to your gun. It will fit all of our Sparrow adapters.
They are 5/8" in diameter x .500 long and will fit any 1/2-28 Sparrow style threaded barrel or adapter. Made form 416 Stainless steel.
Posted by Paul on Jan 18th 2016
Great clean machining, I am satisfied and the price was excellent.
Will purchase from them again.
All prices are in USD