Hawke Sport Optics Vantage HD 3-9X40AO 30/30 Riflescope, Black 30/30 DUPLEX RETICLE: A variant on the classic L4 reticle, the 30/30 offers 30 spacing from post to post at 100yds, when on 4x magnification 11 layer fully multi-coated optics for excellent clarity / Adjustable objective for parallax correction 1 inch mono-tube chassis for superior strength / 1/4 MOA low profile no-snag fingertip turrets Fast focus eyebell and high torque zoom ring Threaded objective/ocular for optional accessories