Magpul MBUS Back Up Sight GEN 2 Rear Black
A low-cost, foldable back-up sight with color injection molding, the new MBUS (Magpul Back-Up Sight) GEN 2 is available.
The dual aperture MBUS Rear Sight is designed exclusively for the AR15/M16 platform and fits most 1913 Picatinny rail equipped guns. It is windage adjustable.
Construction made of impact-resistant polymer is lightweight and durable. Easily triggered spring-loaded flip up sight from either side or by pushing the top Detent and spring pressure maintain an upright line of sight while enabling unhindered folding under impact, etc. Provides the same height-over-bore as typical A2 irons and clamps to MIL-STD-1913 Picatinny/STANAG 4694 receiver rail. Wings that are protective cover the twin flip apertures With either a wide or small aperture in place, the sight can still be folded. The detent knob quickly and accurately adjusts windage.
MBUS – Rear Gen 2
Weight, w/ hardware: 1.3 oz.
Height above rail, stowed: ~0.51 in.
Length, stowed: 2.6 in.
Length, deployed: 1.5 in.
New Feature for Gen 2
Reduced size for greater optics compatibility (folds to a profile of only approximately a half-inch)
Both small and large apertures are on the same plane