The Hawke Fast Mount 3-9x50 AO rifle scope has 11 layers of fully multi-coated optics which give excellent clarity. At the front of the Fast Mount, Hawke scope is an adjustable objective lens for parallax correction. This will bring your target into focus between 10 yards and infinity. This rifle scope has a 25mm two-piece tube body which gives superior strength. The Hawke Fast Mount 3-9x50 AO scope has 1/4 MOA low profile turrets which make setting up the scope easy. To the rear of the Hawke 3-9x50 scope is a fast-focus eyeball with a high torque zoom ring. Includes Hawke 2 Piece, double screw, 9-11mm dovetail air rifle mounts.