The Brush Research MBC1-3/4-320SC Flex-Hone is a precision tool designed for the restoration and maintenance of firearms, featuring 320 grit silicon carbide abrasive balls that conform to the bore for consistent, controlled material removal. Its flexible construction allows it to self-center within the barrel, making it ideal for producing a smooth, polished finish on firearm barrels ranging from 42 to 45mm in bore diameter.
Silicon carbide abrasive is well suited for hard surfaces and delivers a refined surface finish, helping restore proper bore geometry and remove light corrosion, fouling, or surface imperfections. This Flex-Hone is a reliable choice for gunsmiths and firearms enthusiasts seeking professional-grade bore finishing results.