Your browning T-bolt with the X6 suffix to the serial number indicates that this browning was made in 1966.
your browning T-bolt was made in 1967.
Browning didnt make a 22 bolt action single shot. They made the T-Bolt and A-Bolt models in .22LR, but both had magazines. None were single shots.
Your Browning T bolt was made in the year 1971.
Your Browning model safari bolt action rifle was made by FN of belguim for Browning in 1969,with the serial number that you provided.
Check the barrel and receiver
Your Browning T-Bolt rifle with the suffix of X7 after the serial number indicates that it was made in the year 1967.
It sounds to me that you have a Browning T-bolt rifle in 22cal that was made in the year 1969.But the serial number should read 69X then the serial number.
They shoud, but, might not due to tolerance differences by who made the magazine.
Impossible to answer without a serial number.
Call or visit Browning's web site with the serial number.
Your browning safari bolt action rifle was made by FN for browning in 1963.