If pushing the limits of yourself and your rifle at extended ranges is what drives you, the Optika6 4.5-27x50 has all the features you need in a riflescope that measures slightly over 14 inches.MIL based reticles feature 0.1 milradian per click adjustments, while MOA based reticles feature 0.25 MOA per click. The 4.5-27x50 comes with side focus parallax adjustment and a 4-position power ring throw lever.