I am in the market to find a rifle for my son who will be hunting this fall. He is a light weight not very big for a 12 yr. old. He will need a youth model with a short stalk. I am stuck between a 308 and a 7mm08. I know nothing about the 7mm08 caliber and in sight or thought would be greatly appreciated. I thought about a 243 but in Colorado it is too small to hunt elk with in the state according to the regs.