On my Anschutz 64 silhouette and CZ 457MTR Athlon 10-40X56 and on my CZ457Benchrest and 2500X custom Athlon 15-60X56 Gen 1 and have a 15-60X56 Gen 2 on order. Had a Sightron Siii 10-50X60 but hated the target dot reticule other then that I was a great scope.