Call Browning or check the serial number on their website if it is up.
Most likely, yes.
By including the serial number in your question.
Impossible to value with only a serial number.
1975
100-1000 usd
Browning did not make the Model 70, Winchester did. Also, the serial number is not a valid Browning serial number for a 7mm Magnum rifle. Please doublecheck your information.
If you are asking about a Browning BAR rifle,then it was made in the year 1968.
Your browning safari bolt action rifle was made in 1970.
You must indicate shotgun or rifle and model.
100-600 usd
You will have to call Browning