ZEV Technologies ZEV Optimized Match Barrel Thread Protector 1/2x28 Thread Black

ZEV Technologies ZEV Optimized Match Barrel Thread Protector 1/2x28 Thread Black. It is made of 416R stainless steel with a burnt bronze anodized or black DLC finish. It is threaded 1/2 28 with a recessed muzzle that matches the angle of the target crown on the barrel. Specifications for ZEV Technologies ZEV Optimized Match Barrel Thread Protector: Manufacturer: ZEV Technologies Threads per Inch: 1/2x28 Package Contents: ZEV Technologies ZEV Optimized Match Barrel Thread Protector ZEV Technologies TP-OPT-1/2X28-DLC: ZEV Optimized Match Barrel Thread Protector 1/2x28 Thread Black