Chad,
I don't know much about Red Labels, have one, 20g, like it and shoot it from time to time, and always take it along as a back up,,, BUT prefer my Browning Superlight 28 ga for upland, quail & doves.
Do like to grab the Ruger when 3" shells are preferred, usually for pheasants in wind.
I think you might have better luck in your part search if you would define the part exactly along with the part number.
I have noticed there is a wealth of knowledge on the forum when specifics are given.
I went over to Numrich to educate myself, but really have no idea what you're seeking.
However I do like the hunt for items that seem to be impossible to find…
https://www.gunpartscorp.com/gun-manufacturer/ruger/shotguns-ruger/overunder-2
PLUS, your going to need to get your post count up to enable PM’s, So post a picture or 2,,,