6.5 mm (0.243 cal/0.260 cal). Double duty cleaning system. Home & field cleaning combo. Bore boss for quick cleaning in the field. Professional kit for a complete clean at home. Field ready. Fast & easy way to clean your bore every time you shoot. Expanded gun cleaning kit. All the tools you need to fully clean bore, action & chamber. Ergonomic t-handle. Phosphor bronze bore brush. Bore mop. Nylon bore brush. 25 bore patches. Bore patch jag and slotted tip. Every components is easily accessible. Butterfly style case lays flat when open. Molded case holds components in place. Accu-grip detailing pick. 2 - smart brushes. Coated steel rod. Home & field double duty professional gun cleaning kit. RealAvid.com. Made in China.