That all depends on the model of Belgium made rifle you have.Browning made the safari model bolt action rifle,and also made the BAR(semi-auto)rifle in 30-06 Cartridge.It will also depend on the overall condition of your rifle.If you would supply the serial number and make,along with the condition of your rifle.I could then assign a value to it.
50-500 usd
Call Browning or check the serial number on their website if it is up.
Call Browning or check the serial number on their website if it is up.
100-1000 USD or so
100-450 usd
Browning never made a model 306
There is no such weapon made by Browning. Browning does make a semi-auto of the BAR in 30-06. You can download or request a manual from the Browning web site.
50-500
No way to value a firearm with just the serial number. You need to provide detailed information on all features, maarkings, action type, finish, overall condition, accessories, box, papers, engraving, etc..
No such model made by Browning.
A Browning A-500g shotgun in excellent condition is worth about 900 dollars.
Impossible to answer without a detailed description of the Browning you are referring to.