Bushnell AR Optics Drop Zone-223 BDC Reticle Riflescope with Target Turrets and Side Parallaxbr Drop Zone-223 BDC Ballistic Reticle is calibrated for 55-62 grain 223 REM5556 loads with aiming points out to 500 yards br Side focus parallax adjustment for adjustable long-range accuracy and a fast-focus eyepiece br Target turrets 14 MOA click value for pinpoint precise adjustments br Fully multi-coated optics for incredible brightness br Made of high-durability aluminum alloy anodize-finished and sealed to protect the inside from elements