Improved: scope centerline height raised to AR15 11/2 inch scope height and more room for low profile rear BUIS. Blue & 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. Integrated slant cut sun shade, black anodized exterior finish