Improved Locking Quick Release mount and a more compact QR Lever Improved Scope Centerline height raised to AR15 1-1/2" scope height and more room for low profile Rear BUIS Improved Lowered BDC Turret height, for lower mounting height for the optional 34mm Micro Dot mount and optic Blue & Green Color Illuminated reticle, with multiple brightness settings for each color 100-500 yard Bullet Drop Compensator (BDC) calibrated for M193 55gr. FMJ Mil-Spec ammo Quick Focus Eyepiece Fully Multi Coated Lenses Integrated Slant Cut Sun Shade Black Anodized Aluminum Body Includes lens covers and batteries US PATENT: US D732633