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.
Features Impact resistant polymer construction provides light weight and resists operational abuseSpring-loaded flip up sight easily activated from either side or by pressing the topDetent and spring pressure keeps sight erect but allows for unobstructed folding under impact, etc.Clamps to MIL-STD-1913 Picatinny/STANAG 4694 receiver rail and provides the same height-over-bore as standard A2 ironsProtective wings shield the dual, same plane flip aperturesSight can still be folded with either large or small aperture in positionDetent knob easily and positively adjusts windage Specifications MBUS – Rear Gen 2Weight, w/ hardware: 1.3 oz.Height above rail, stowed: ~0.51 in.Center of aperture to top of rail: 1.42 in.Length, stowed: 2.6 in.Length, deployed: 1.5 in. Weight: 37 g Shipping weight: 50 g Information from producer (extern)
Magpul is one of the most active company in high-tech polymer and composite firearms accessories market. They don't follow the trends - they set them, all the time listening to the needs of shooters. The offer includes: magazines, stocks, grips, rails, handguards, slings, sights, eyewear, gloves, and many more. It doesn't matter if you are a hunter, sport shooter or military / law enforcement personel - You will find what you need.