The Nikon Prostaff Rimfire II scope is designed specifically for .22 long rifle. This optic features a bullet drop compensator for .22LR in precise increments up to 150 yards. The waterproof, fogproof lenses are fully multicoated by Nikon and are Parallax-free at 50 yards. Sighting-in is made easy with ¼-inch @ 50 yard adjustments and Spring-Loaded Instant Zero-Reset turrets allow you to reset your turrets to zero after sighting in, making in-the-field adjustments simple. This matte black Nikon scope is backed by a limited lifetime warranty.