Magpul MBUS GEN 2 Polymer Back Up Rear Sight

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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 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

NEW Features for GEN 2

Reduced size for greater optics compatibility
N.A.W.S. (No Aperture Window Sight) option by folding down both apertures and framing the target within the protective wings for snap-shots in Close Quarters Battle situations