The silver Top Mount Base #418S from Weaver has been machined to tight tolerances for a custom fit. The aluminum base offers maximum strength so that the rings will hold tight.
Compatibility
Rear Base for:
CVA pre-2010 round barrels / receivers (post-1996 models)
Traditions In-Line Muzzleloaders with round receivers
Winchester X-150, APEX Muzzleloaders
Front Base for:
CVA pre-2010 round barrels / receivers (post-1996 models)
Traditions In-Line Muzzleloaders with round receivers
Winchester X-150, APEX Muzzleloaders
Front Base for: