Made in the u.S.A., the combat fixed front sight is compatible with your ar-15, m4, m16.It is constructed of billet 6061-t6 aluminum, is mil-spec height, m4 sight picture using standard a2 front sight post.1.5 moa per click of sight.Black hardcoat anodized finish.Serrations on back of sight housing.Torque clamp to 35in/pounds.Rear Color: BlackFrame Material: 6061 T6 AluminumFrame Color: BlackFirearm Fit: AR-15Style: A2 FixedElevation Adjustment: 1.50 MOAFirearm Type: AR Platform