270, 7mm, 280, 284 - Bronze Bore Brush
270, 7mm, 280, 284 - Bronze Bore Brush, Our caliber-specific brushes have the size indicated on the stem, ensuring you grab the right brush every time. Our corrosive-resistant Tufcor(R) core wire has a tighter twist for better bristle retention and brush life, plus twice the fill of other brushes with bristles right to the end, meaning you get superior quality and precision cleaning. Superior quality means a superior clean. Can be used on 270, 7mm, 280, 284.