There was a person .. that I think that was making sniper barrel for the US Gov , .... he made me one in a 257... very hard to get .. but I have one in a 257 . When I ask about this making I am stoped and said there was never anything made in this place.... and this is from the Gunclub of WASH... STATE ... very interesting.... i HAVE THE bARREL AND WHERE IT CAME FROME BUT IT DOES NOT EXIST.