Nikon M-308 4-16x42 BDC 800 (Black) Included M-223 XR Scope Mount-with built-in 20 MOA slope, the M-223 XR mount enables extreme long range shooting by adding 20 minutes of angle elevation adjustment to the overall system. Nikoplex Reticle with Rapid Action Turrets-Developed specifically for the trajectory of the .308 W-Inchter/ 7.62x51 NATO round with 168-grain hollow point boattail Match bullet Ultra ClearCoat optical system-Nikon has engineered the entire optical system to provide the shooter with a bright, sharp, incredibly flat sight picture and light transmission up to its theoretical maximum95-Percent. Precise, 1/4-MOA Hand-turn Tactical-Style, Zero-Reset Turrets-Positive click reticle adjustments get you zeroed in quicker and maintain your settingeven withrepeated recoil. One-piece main body tube-for minimum weight and maximum strength and durability.