870 Wingmaster LW 20 gauge

[mrdodge]

Good Afternoon,
Have an 870 Wingmaster LW 20 gauge. I am trying to date it.
The barrel does not have letters ... it has the numbers 7 9
The receiver SN is V449638U
Any help would be appreciated.

[BKinzey]

For a general idea:

http://oldguns.net/sn_php/remdates.htm

Otherwise you can call Remington with the serial #.