Aircraft grade CNC aluminum housing; IPX-8 rated for waterproofing - up to 20 meters for 1 hour; Dialectic coated prism; Compact size and weight; Adjustable height via included spacers (1.41", 1.53", and 1.63"); Powercam 90 degree mount for fast transitions from close quarters to intermediate range targets; Quick release mount with built-in recoil lugs for a repeatable zero; Front thread in lens protector and rear flip back for protection from the elements; Black Finish