The Magpul MBUS (Magpul Back-Up Sight) GEN 2 Rear Sight is a low-cost, color injected, 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.
|Objective Lens MM||N/A|
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