The MBUS (Magpul® Back-Up Sight) 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 the USA.
WARNING: WARNING: This product contains chemicals known to the State of California to cause cancer andbirth defects or other reproductive harm.
WARNING: WARNING: This product contains chemicals known to the State of California to cause cancer andbirth defects or other reproductive harm.
