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 U.S.A.
Posted by Unknown on Jan 4th 2017
These are real Magpul gen 2 sights. Delivery was quick.
Posted by Unknown on Dec 14th 2016
This is the real deal. No knock offs here. In authentic retail packaging. Also some super fast shipping. Ordered late in day on 12th and arrived on 14th in VA. Highly recommended.