You will have to call Browning.
There is no way to tell from just the serial number and no other information
You will have to call Browning.
You must call Browning to find out what grade it is.
Browning can tell you how it left the factory, and the gun can be dated by serial number.
By comparing it with known examples of the grades.
You will need to include the whole serial number to get the answer that you seek.
You will have to call Browning to find out.
Contact Browning or compare against known examples.
The 2 letters in your serial number(NR) indicate that your Browning 325 grade VI was made in the year 1997.
Call Browning with the serial number.
You will have to call Browning to find out.
With the letters mv in the middle of your serial number,this indicates that your Browning Cynergy shotgun was made in the year 2005.As far as the grade of your Browning shotgun,I would go to there web site and you should be able to distinguish the grade level by description and or photos that are located there.