While I'm at it here's another custom bullet maker.
http://www.wildcatbullets.homestead....letPrices.html Richard Graves is incredible, his specialty is extremely high BC bullets for long range hunting. He also makes heavy for caliber ULD RBBTHP bullets with the thin J-4 jackets. J-4s are what Berger uses and they are thinner than Sierras jackets. Among the long distance hunting crowd this guy has a great reputation for quality, and also his willingness to make anything you can dream up. I've talked to him myself. I'm thinking he might give you guys a larger HP in order to realibly start expansion at low velocities. His latest project is developing a special rebated boatail punches for his jackets, this will allow him to also bond these RBBT ULDs for hunting at high velocities.
He's actually a Canadian farmer with mad bullet making skills. His internet skills on the other hand suck so cut him a break with his site.