Maybe 250 is a bit to far. I just figured these new muzzleoaders were capable. But I don't have all of the answers. I guess that's why I'm here asking questions. Although I have shot a lot of blackpowder, I don't have a whole lot of experience with these newer guns. I've always been into more of the trade style guns because I used to do Rendevous and the era I portrayed was French and Indian war. I'll have to take a picture of my "Indianized" smoothbore for you guys. I made the gun about 10 years ago, but it looks like an antique. I used Aqua Fortis on the stock and the curley maple stock almost looks black. At any rate you'll probably enjoy it or get a kick out of it.