The Copper Eliminator Rifle Cleaning Rod is specifically designed for .27 caliber and larger firearms providing effective copper fouling removal and barrel maintenance.Copper Eliminator Rifle Cleaning RodCompatible with .27 caliber and larger firearmsSpecialized design for copper fouling removalProfessional-grade rifle barrel cleaningSKU: 30CA-40Essential for maintaining accuracy and barrel longevity in larger caliber rifles this cleaning rod ensures thorough removal of copper deposits and debris for optimal firearm performance.