Dating a Wingmaster

Here is what I think is the date code from the rear left on the barrel. Any help?

That looks to be a makers mark of some sort - could be a date code.
You can look up the date of your gun here

I found a company called Rat Worx that sells "Remington replacement shotgun barrels made by Mossberg." Maybe it's been swapped out? Those letters sure look like W-O-R-X.