Use care in adjusting the sight .
I bought this sight years back. I took it out to the range after fitting it to the rifle. It fit well. However, when I tried to adjust it, I had to drift it almost all the way left. Because my small screw driver had to go half way through the sight, I ended up fouling the small threads deep in the adjustment hole and was not able to back the sight out again. Be real careful with the size of screw driver as it goes further into the adjustment hole. The sight is now ruined.
