The GrovTec Pistol Barrel Thread Protector – 1/2 x 28 is knurled and black oxide coated. Extending just past the muzzle to protect the target crown and threads, the thread protector can be used for live fire. Black Oxide Finish 1/2X28″ Thread Pitch Diameter: 0.641″ Length: 0.590″ Fits After Market 9MM Barrels Made in the U.S.A. GrovTec’s Thread Protector’s are the perfect choice for protecting your threaded barrel. Available in popular thread pitches and exterior diameters, GrovTec’s Thread Protectors will give your barrel a lifetime of protection and keep your threads in perfect working condition.
