I think when the FBI tried to go to the 10mm (many moons ago), they had alot of problems with the power of the round and the guns they were using not being up to the task. They had several issues with slide separations and deceided to not go with the 10. I know since then, the guns have been beefed up to handle the 10 and there are alot of shooters out there that love them. And I don't think you can go wrong with the Kimber if you're going for a quality handgun.