Scope Centerline height raised to AR15 11/2″ scope height and more room for low profile Rear BUIS. Blue and Green Color Illuminated reticle, with multiple brightness settings for each color. Lowered BDC Turret height, for lower mounting height for the Micro Dot Reflex Optic. Auto Locking Quick Release mount and a more compact QR Lever. The Ultimate Sighting System (USS) Gen II gives you all the Benefits of a Mark III Tactical 3-9X magnified Scope with the Advantage of a Micro Red Dot Reflex Optic for close range targets. This Combo is comprised of a Mark III GEN II Tactical Scope with a Micro Dot Mount that mounts directly to the Ocular Lens Housing and a Red Micro Dot optic on top. This is the perfect platform for the New DDAB Micro Red Dot Reflex Sight (also included in the USS). 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 exterior finish. Includes lens covers and batteries, DDAB is a Red Micro Dot optic with on/off switch. Includes Micro Dot dust cover and batteries.