The Magpul MBUS flip up sight is a durable color-injection molded folding back up sight. It conveniently folds down and locks into place but flips up with just a press of the button. Elevation adjustable, quickly mounts to any mil-spec 1913 Picatinny rail.
Features and Specifications:
Manufacturer Number: MAG247, MAG248
Durable color-injection molded folding back up sight
Conveniently folds down and locks into place
Flips up with just a press of the button
Elevation adjustable
Quickly mounts to any mil-spec 1913 Picatinny
Made in the USA
NOTE: Cannot be mounted to a railed gas block due to excess heat issues. Front MBUS must be mounted to a railed fore end on the same plane as the receiver rail.