period. the cowboy load is considered antique by Atf and thus the low powered designation is a catch 22 .saami standards apply,born a black powder,always a black powder,drop in conversions are legal as drop in replacement parts, the manufacturers arent nuts,they want thier product safe,also some converters use 45 acp and the pressure is 22,000 psi hot compared to 45 lc @14,000 psi same steele krists are heat treated 4140crome moly alloy strong stuff! does hornady have a light mag for 45 lc?hhhhhhhhmmmmmmmmmmmmmmmmmmmmmmm......................
