IIRC Tasco and Simmons both had some low end 22 scopes with Ruger emlems on their caps. They pop up on sleazebay now and then.
There are some with the Ruger emblem on the scope tube now, and I think these came with some of the Ruger Air Guns. I have seen 4x and 3-9x models.
I have one. It came on my Ruger AirHawk pellet rifle. At about $180 shipped (including the 3-9X scope) I think it is a very good value for a 1000 fps pellet gun, but it is not actually manufactured by Ruger. The rings that are included are junk and should not be used.
Leupold Made a VX-1 (I have one)that had the adjustmernt cap with Ruger logo on it. I was told that there were only about 200 made but I do not if that figure is correct.
Back in the mid 80's-"something", Ruger and jerry's South had a M-77(in 270?) with a Leupold variable power scope that had a gold color metal Ruger emblem in place of the normally placed Leupold emblem. I know I have two of the scopes on other #1 rifles, but they are "buried' in the stacks...........At the time, I thought the emblem nice enough to be used as a ring face/emblem in a classic gold setting........
I have one that came on a tang saftey in 280 looks like a tasco 3x9 dealer said it came from ruger that way it just has the ruger emblems on the turit caps
GRAMPS