Outers Utility Gun Brush 3 Piece Set.
This 3 piece set of brushes can handle virtually any cleaning job. There's a nylon brush for delicate and engraved parts, a phosphor bronze brush for aggressive cleaning of blued steel, and a stainless steel brush for the heavy jobs, such as the breech and bolt area.
Stainless Steel bush for aggressive cleaning of non-blued surfaces
Phosphor Bronze for heavily used blued metals
Nylon for delicate parts and wooden surfaces, great for checkering and other carved parts