The Real Avid Bore-Max Smart-Fit Bore Guide is a precision cleaning tool that prioritizes bore protection and simplifies your cleaning routine. With a spring-loaded tube for consistent chamber sealing, contoured interchangeable tips for improved alignment and action-locking keys for secure fitment, this bore guide is the ultimate solution for centerfire rifles from .223 to .375 caliber. Experience worry-free cleaning and long-lasting durability with the Smart-Fit Bore Guide. Trust Real Avid for superior quality and innovation in bore care.