Browning has extensive sn data on their website under customer service.
Contact Browning at their website or call them.
Date my Browning ser number 4t99577 O
04911py153
You will have to call Browning to find out.
what is the year made and value of ser. #'s 7g 10367 &236272 Belgium browning
Call Browning with the sn and they can tell you.
A fine rifle
You must call Browning with the serial number.
Browning never made a model 306
It is possible.
1972
This should be a Stevens shotgun made on Brownings patent. Typically these guns sell in the $150-$300 range.