Need some help on serial number identification Archived Message Posted by Derek on February 10, 2014, 9:56 am I have come across a 12 gauge double barrel with a serial number that has 00 below it. What does this stand for? Thanks, Message Thread: Need some help on serial number identification - Derek February 10, 2014, 9:56 am Re: Need some help on serial number identification - Jim Stubbendieck February 10, 2014, 10:21 am   Searching