A rem model 7 in 7mm-08 ( or .243) since .308 and .30/06 are essentilly the same I wouldn' t recommend them to a youth ( unless the youth was big enough to handle them) But the 7mm-08 has very impressive ballistics and it' s a calliber I' m looking to get.

NEF at this time doesn' t offer a 7mm-08 ( I hope they do soon) but they do have a nice youth model that is offered in .223 or .243 It' s a single shot (exposed hammer) and is what I use and my son ( age 11)