Backup Tactical Frag 30 Caliber 5/8x24 Rifle Thread Protector Anodized Black. The only difference is this things got a longer shelf-life than Arnold himself. Specifications for Backup Tactical Frag 30 Caliber 5/8x24 Rifle Thread Protector: Manufacturer: Backup Tactical Color: Black Threads per Inch: 5/8x24 Fabric/Material: 7075 Aluminum Finish: Anodized Features of Backup Tactical Frag 30 Caliber 5/8x24 Rifle Thread Protector Strong but lightweight enough to keep unwanted ounces off your gun Machined using the absolute latest CNC machines and techniques Designed for optimum protection of your threaded barrel Package Contents: Backup Tactical Frag 30 Caliber 5/8x24 Rifle Thread Protector Backup Tactical FRAG-BLK30: Frag 30 Caliber 5/8x24 Rifle Thread Protector Anodized Black