I have pretty close to exact same gun from same time period with the same scope, with a tad less magnification. at 50 yards, 5 shots, it will do 1/4 inch center to center with rws rifle. Some times more and some times less, but never an inch.
I have no idea what a "conector ring" is. I dont feel anything when I pull a patch through a clean bore. Smooth as glass.
When I got mine,I looked very carefully at the muzzle to verify there was not any noticeable cleaning rod wear.
