Best left to a factory trained gunsmith.
Weight of the weapon.
Best left to a gunsmith
"BLR" = Browning Lever Rifle It is lever operated
Best to ask a gunsmith for help.
You will have to call Browning to find out.
You find a Browning trained armorer
You will have to call Browning.
Browning Lever Rifle
1992
The 2 letters NR in the middle of your serial number indicate that your Browning model BLR rifle was produced in the year 1997
Call Browning with the serial number.
Don't recommend you attempt this unless you are a Browning factory trained technician.