Rear Flip Sight MBUS

The new Magpul MBUS (Magpul Back-Up Sight) is a low-cost, injection molded, folding back-up sight. Adjustable for windage, it fits allMIL-STD-1913 Picatinny rail equipped weapons, but is specifically designed for the AR15/M16/M4 platform. Its reduced size offers greater optics compatibility. Both small and large apertures are on the same plane, and its impact resistant polymer construction nprovides light weight and resists operational abuse. Detent and spring pressure keeps sight erect but allows for unobstructed folding under impact, etc., and protective wings shield the dual flip apertures. Adjustable for windage and includes both small and large apertures for various distances. Weight 1.3 oz. / Height above rail – stowed: 0.51” / Length – stowed: 2.6” / Length – deployed: 1.5”