Monstrum Tactical 45 Degree Offset Front and Rear Backup Iron Sights 45 degree offset front and rear iron sights,allow for the mounting and use of a scope or a red dot on your rifle, while retaining the functionality of traditional iron sights The sights only extend .2" of an inch on top of the rail for a clean, low profile look Easy, secure installation to Picatinny rails takes just a couple of minutes with the included hex key 1/2 MOA adjustment for windage and elevation Machined from aircraft quality aluminum, anodized for long lasting protection