Ruben,
I'm glad that I'm not the only person who has had such good luck with the Remington Solid Coppers. I have about the same amount of inventory leftas you. Ican get sub 1" groups from5 shots @ 100yds. with heavy powder charges. It's fun to show off, when you have another person shooting a centerfire rifle alongside you and you're waxing his butt!
I didn't know that Barnes was making them for Remington. I've shot the 250 and 300 Barnes and like them, but they're not in the same league as far as I'm concerned. I'm playing with 245 & 285 Barnes now. I'll let you know if I come up with a good load. I know that I have some competition looking for these bullets now too.