It could be that you have a A-bolt hunter model I,But I am not 100%certain.I can say that your browning bolt action rifle was made in the year 1979 by the two letters in the serial number(RN).
It will be marked.
100-300
100-400 or so
100-400 USD
It is a bolt action rifle.
At least 500 dollars for one in the condition that you describe.
Which model? The first Browning bolt rifle was introduced in 1959 and was available in .30-06
Your browning safari bolt action rifle was made by FN for browning in 1963.
$800-$1400 depending on the figure in the wood, blueing and pitting from salt damage.
Your Browning safari model bolt action rifle was made by FN of Belguim for Browning in the Year 1963.
Your Browning model safari bolt action rifle was made by FN of belguim for Browning in 1969,with the serial number that you provided.