Description Magpul MBUS Back-Up Sight – Front GEN 2*Contact for Availability* The new MBUS (Magpul Back-Up Sight) GEN 2 is a low-cost, color injection molded, folding back-up sight. The dual aperture MBUS Rear Sight is adjustable for windage and fits most 1913 Picatinny rail equipped weapons, but is specifically tailored to the AR15/M16 platform. Made in U.S.A. Features Impact resistant polymer construction provides light weight and resists operational abuse Spring-loaded flip up sight easily activated from either side or by pressing the top Detent and spring pressure keeps sight erect but allows for unobstructed folding under impact, etc. Clamps to most any MIL-STD-1913 Picatinny/STANAG 4694 railed hand guard and provides the same height-over-bore as standard A2 irons Protective wings shield the spring-locking A2 front sight post Specifications MBUS – Front Gen 2 Weight, w/ hardware: 1.2 oz. Height above rail, stowed: ~0.51 in. Length, stowed: 2.6 in. Length, deployed: 1.5 in. NEW Features for GEN 2 Reduced size for greater optics compatibility Spring-locking front sight post holds consistent elevation 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. Because of this the sight is also not compatible with MOE Hand Guards.
