The 2 letters found in your serial number(MZ) indicate that your Browning safari was made in the year 2001.
The prefix of L70 indicates that your Browning safari bolt action rifle was made in the year 1970.
1994
The prefix of L70 indicates that your Browning safari bolt action rifle was made in the year 1970.
Please contact Browning on this question at the link below
Go to Proofhouse.com and search the Browning serial number tables.
YOu will have to call Browning.
1996
The prefix of 8L indicates that you have a Browning safari bolt action rifle that was made in the year 1968.
1970
Your Browning safari model bolt action rifle was made by FN of Belguim for Browning in the Year 1963.
You will have to call Browning or visit their website with the sn.