I've had one on my 12ga mossy 835 since I bought it 6 or 7 years ago and I shoot 3" and 3.5" turkey loads and it's still going strong, But I just put a Tru Glo 2X red dot on my slug gun before deer season this year and love it. Sighted it in at 65 yards and shot 3 shots into 2 holes touching.