Home Forums Lever Action Central Big Bore Levers 450 Alaskan to 450-348 ackley improved

I've got two sets of RCBS 450 Alaskan dies. My rifle is marked 450 Alaskan. There is a pronounced shoulder on the cases. The die set I bought at a gunshow size the base two thousands more than the dies that came with the rifle. I do not know who the builder was, but it is an interesting and wonderful conversion.