Magpul MBUS GEN2 REAR

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. NEW Features for GEN 2 • Reduced size for greater optics compatibility (folds to a profile of only approximately a half-inch) • Both small and large apertures are on the same plane