Green Blob Outdoors Superior Tactical (Dark Earth / Tan) Flip up Front and Rear Iron Sights Set Green Blob Outdoors Brand Diamond Shaped A2 Type Mil Spec Aluminum Premium Front and Rear Sights Set Constructed of 6061 Aircraft Grade Aluminum Calibrated and matched together as a set, Very well made sights Rear Sight: Windage Adjustable features same MOA adjustment as standard sight Front Sight: A2 post elevation adjustment