but I think it said Connecticut on it
Probably the importers stamp.
Windage is adjusted drifting the front sight.
To lower the point of impact, you have to raise the front sight. Auto parts store, get some automotive wiring heat shrink tubing, (your choice of colors). Slip a piece over the pin post, apply enough heat to make it hang on and trim to length. If you cut too much off, it's cheap.
Post some pics of the markings!