Charlie, I've had good luck with X-treme bullets, paid $50/500 from gun show dealers several times. You might try a smaller box just to make sure first. Used to be, you could buy them direct from the factory with "free" shipping." Current price looks too good for that, now - not sure. - Bob

http://www.xtremebullets.com/30-CARB...10rn-b0500.htm