I am considering buying a pretty nice .43 Spanish, Remington roller, Argentino model in pretty good shape, some minor pits but very good bore overall, solid wood, and blue/brown patina overall. Only place I can find brass is Buffalo Arms, and the price break is at 50 rounds, $2.18 each. Does anyone know of a cheaper alternative, can it be easily formed, or do I need to bite the bullet an buy the brass, all replies appreciated!