It is possible.
Let a gunsmith do it.
your browning bar was made in 1976.
BAR stands for Browning Automatic Rifle, not browning association rifle.
Your browning BAR with a M70 suffix dates your browning BAR to 1970,not 1952.The first browning BAR rifles were made in 1967.A browning BAR rifle is valued at between 400-600 dollars for a grade I rifle with a 60%-90% original finish and a good bore.
Browning Automatic Rilfe
The BAR machine gun is recommended for its accuracy and portability whereas with the browning you sacrifice these qualities for greater fire rate, ammo capacity and bullet penetration. Actually, the Browning Automatic Rifle (aka Browning Machine gun) IS the BAR; they are one and the same. BAR is an acronym for Browning Automatic Rifle.
Check Browning's web site.
belgium browning bar II safari edition 30-06
With the serial number that provided,your Browning model BAR was produced in the year 1970.
it was developed at the end of WW1, but was not used on front line for fear German forces might capture a BAR....................
Browning never made the BAR in 22 magnum. They made the BPR, which looked liked the BAR, from 1976-85
You will have to call Browning to find out.