I want to purchase a traditional black powder rifle for hunting in Oregon. I am looking @ one in the pawn shop. It says Hawkins 54 cal. 1 in 48 twist. Can you shoot balls as well as conicals with this gun? Also there is some rust in the barrel and around the hammer. I would like to re-blue it but will the rust be a problem? It is for sale for $200.00. Is that a fair price? It has a real nice wallnut stock which really caught my eye.