i got a .17 rem bolt,.257 roberts ul bolt,30-06 #1a,30-06 pump,45/70 lever.i reload for 257 roberts,25-06,243,30-06,300win mag,45-70.looking hard at the .300 win mag and .280,mabe a 338/06 for custom bolt rifle.don't know about those "new"ultra mags,seems like they promise alot but really what are you getting?