Nikon Prostaff P3 Scopes and other specialty scopes are specially built for crossbows, shotguns, muzzleloaders, and rimfire. These scopes have rugged aircraft grade aluminum main tube, fully multicoated optical system, quick focus eyepiece (made from aluminum), consistent and generous eye relief, and Zeroset turrets. Get the best out of your shooting with Nikon Prostaff P3 Scopes.