I do not care for the sightron. I have 2.Have 6-24 on my .22, and a 3-12 not on any gun.the 6-24's cross hair is a little to thick.they do not have target knobs, and i was not happy with the stony point knobs, I tried on this.I just ordered a nikon 6-20, from Natchez, to use on my 22-.250.