I'd just upgrade the scope on the 308, and enjoy it the way your dad did! You would have to buy a scope for a new rifle anyway...

Who cares if the stock has a scratch or two, or the blueing is worn?? Those are things that happen to any gun that gets hunted with much...

Those 180 NP's will have no problems with any elk at any range you "should be shooting" at one...

Use the $$ you will save, to practise and enjoy something spl. from your dad!!

DM