The Copper Eliminator Male Jag is designed for thorough cleaning of .30 caliber and 8mm firearms with precise 8-32 thread compatibility.Copper Eliminator .30/8mm Caliber Male Jag8-32 thread specification for secure attachmentMale thread design for standard cleaning rod compatibilitySpecialized for copper fouling removalSKU: 30JMA (UPC: 608060000284)Essential for maintaining accuracy and barrel condition this jag effectively removes copper buildup and fouling from rifle barrels during routine cleaning maintenance.