quote=Theoldpinecricker]Im going to rebore my Marlin stainless 30-30 up to 375 win. 30-30 brass can be fireformed to 375 win and im going to use a cast bullet. Why do it otherwise?[/quote]

Why not buy 38-55 brass (new Winchester brass has recently been available for under $40 per bag of 50) and trim to 2.02 inches?[