OSS RAD DIRECT THREAD ADAPTER 1/2-28

Made from 17-4 Stainless Steel and is heat treated then black nitride finished for improved wear and corrosion resistance. This accessory is for use on fixed barrel systems. - Features: - Interchangeable with suppressors that have 1.125x28 threads - Interchangeable between RAD 9 and 45 - Wrench flats