The letter MW indicate 2004. Code used at the time is: 2. Date of Manufacture
is a two digit codeZ=1
Y=2
X=3
W=4
V=5
T=6
R=7
P=8
N=9
M=0
The browning citori serial number that you supplied indicates that your browning citori was made in 1982.
You are furnishing an incomplete serial number. Citori is a model of Browning.
The RP that is found in the middle of your serial number indicates that your browning citori was made by browning in 1978.
No such serial number used in the Citori line.
On the receiver.
With the serial number suffix of S4,this indicates that your Browning Citori Lightning was made in Belgium for Browning in the year 1964.
You will have to call Browning to find out.
It's a 2007 Citori Browning.
1989
1988
You will have to call Browning. That model number is not published.
1980