Premium Military, Mil Spec Tactical Flip Up Iron Sight Rear/Front Sight Mount Low Profile Mil Spec Aluminum Premium Front and Rear Sights Set Constructed of 6061 Aircraft Grade Aluminum, Dual Aperture Micro Low Profile Design Calibrated and matched together as a set, Designed for same plane with low profile rear sight Rear Sight: Micro Style Windage knob features same MOA adjustment as standard sight Front Sight: A2 post elevation adjustment, 100% Satisfaction Guaranteed