CAA

The MCKRBUS Rear Flip Back Up Sight is a three operator selectable all-polymer sighting conveying maximum usefulness and quality with least mass at a value that is significantly smaller than its size. The flexible Rear Flip-Up Sight adjusts to the Picatinny rail mounting applications including the standard military A2 style; all are adjustable for windage. - Super low profile sights Manufactured from polymer to reduce weight - Ambidextrous spring loaded push button to raise the sights - Designed to ensures consistant battery action - Rigid Picatinny mount eliminates any wobbling - The large aperture is designed to be used for CQB and low light conditions