BT99
Browning doesnt show the BT99 as a 299 model code. They list the BT99 as a model 149. Below is the link to the Browning codes.
Japan
100-1000 USD depending on condtion and EXACT configuration, papers, box, accessories.
100-1000 usd
You have not provided the entire sn. Call Browning for help
Please add the serial, but it is likely a single barrel trap gun such as the BT99
1988
1971
2003
You must call Browning as the sn you gave does not follow normal convention.
100-1000 USD
You will need to call Browning,s customer service dept for the exact year of production.The model bt99 trap shotguns were originally made from 1968-1994 by Miroku of Japan.The current models were made from 2001-to present.