NcStar AR-15 45 Degree Offset Flip-Up Rear Iron Sight Black - MAR45FLR

45-degree offset flip-up rear sight designed for AR-15 and compatible platforms, featuring dual aperture (large and small) adjustment and fully adjustable windage with large knob. The sight folds flat for a lower profile and fits under most scopes, weighing 2.6 oz and mounting on receiver-height Weaver/Picatinny MIL-STD 1913 rails.