I just got it yesterday put it on today and sighted it in. I really like it so far. Hopefully it holds up well. I also discovered nearly every screw had come loose on my air rifle and that was probably the biggest problem. I order more pellets because I shot a sample pack through it today and it took a shining to the gamo red fire. Nearly a one hole group at 25 meters. The others (H&Ns) best I could do was 2 inch group.