I got one handed down to me, looking for information. It is a 250/3000 A.O. Niedner that I have yet to find actual serial numbers on the barrel. All I can find is an 05 and a 2.

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Any idea of timeframe of year built. My dad told me that there were very few of these ever built.

Last edited by 2503000_Niedner_Owner; 01/30/16.