KE YANG Tactical Hunting Flip Up Front Rear 45 Degree Adjustable Rapid Transition Backup Iron Sight Set
Made of good quality aluminum, lightweight and durable.
1/2 MOA elevation and windage adjustment
Same height above bore as standard-issue M4/M16A4 sights
Low-profile sights extend only 0.2 inch above top rail.
Backup sights mount at 45 degree offset