Comes with the single alignment ring and the double alignment ring
Silent Click free adjustments
Rugged Lightweight 6" dovetail mount
Micro adjustable 2nd and 3rd axis
Coarse Horizontal and Vertical adjustments
Tool-less adjustment
HRD Technology; No bushings, No slop, No buzz!
Spreads out Sight Marks
Large easy to sue Yardage Knob
Solid 6061 Aluminum Constructions