Nikon P-300 BDC SuperSub Reticle Riflescope, Black, 2-7x32 Features the all-new BDC SuperSub Reticle designed for Subsonic and Supersonic ammunition Made with Nikon's fully multicoated optics for maximum brightness and light transmission A quick focus eyepiece allows the shooter to instantly bring the reticle into focus Adjustments are made easy with Spring-Loaded Instant Zero-Reset Turrets Optimized for use with Nikon's Spot On Ballistic Match Technology