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 the USA.
- NSN: MAG248-BLK 1005-01-591-6150
- NSN: MAG248-FDE 1005-01-616-4884
- NSN: MAG248-ODG 1005-01-616-4888
SPRING-LOADED FLIP UP SIGHT
- Spring-loaded flip up sight easily activated from either side or by pressing the top
- Protective wings shield the dual, same plane flip apertures
- Sight can still be folded with either large or small aperture in position
- Detent knob easily and positively adjusts windage
IMPACT-RESISTANT POLYMER CONSTRUCTION
- Polymer construction provides light weight and resists operational abuse
DETENT AND SPRING PRESSURE KEEPS SIGHT ERECT
- Detent and spring pressure keeps sight erect but allows for unobstructed folding under impact, etc.
CLAMPS TO MOST MIL-STD-1913 PICATINNY RAILS
- Clamps to MIL-STD-1913 Picatinny/STANAG 4694 receiver rail and provides the same height-over-bore as standard A2 irons
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