Ok, first of all, this does not really fall in the category(But I am sure that opinion differs between people) of what I would consider a bubba'd rifle. From all indications this was done in the 50's or 60's. I took it into a local dealer who deals in C&R fierarms and learned a few things about it. It is a Steyr(I already knew that but) the bolt is original and unmodified, The Austrians liked strange things like that. Also he thought it may have been done by a new gunsmith possibly as a project.All the numbers on the barrel and reciever , All the numbers on it are relitvly low(bult and reciever#1329 magazine # 3253 Bolt #310? best I can make out) although I don't really know how many were made. The bolt and barrel have imperial proof/acceptance marks on them. The stock where as I am sure it was cut down has been finished off nice and shows no signs of having been cut off. The flip up rear sight is relitivly new but there are signs that at some tine something else was installed. The barrel has a S bore but when it was sluged it is a .318 bore. I am going to take it to a old gunsmith I know and see if he has any more insight on it. Like I said it is unique or at least different. Who knows this may have been done by a European gunsmith, the front sight looks like something you would see on a european gun. I know it fires because at one time I got some old .318 rounds and shot it a few times but never since then.