Nikon makes its Slughunter in 1.65 x 5 power. Since it's billed as a slug gun scope, it's presumably designed to stand up to the higher recoil (I've had 2 Banner Bushnell's fail on me -- one on a slug gun, the other on a muzzleloader). I own the Nikon Omega version of the scope, and its held up well so far.