Magpul AR-15 MBUS Backup Polymer Rear Sight-Gen 2

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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 all MIL-STD-1913 Picatinny rail equipped weapons, but is specifically tailored to the AR15/M16/M4 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 any MIL-STD-1913 Picatinny/STANAG 4694 receiver rail and provides the same height-over-bore as standard A2 irons * Protective wings shield the dual flip apertures * Detent knob easily and positively adjusts windage Specifications * MBUS – Rear Gen 2 o Weight, w/ hardware: 1.3 oz. o Height above rail, stowed: ~0.51 in. o Length, stowed: 2.6 in. o Length, deployed: 1.5 in. NEW Features for GEN 2 * Reduced size for greater optics compatibility * Both small and large apertures are on the same plane