The MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. The MBUS Front Sight is adjustable for elevation and fits most 1913 Picatinny-railed hand guards, 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 most any MIL-STD-1913 Picatinny/STANAG 4694 railed hand guard and provides the same height-over-bore as standard A2 ironsProtective wings shield the spring-locking A2 front sight postElevation adjustment tool included, but most aftermarket A2 front sight adjustment tools may be used as well Specifications MBUS – Front Gen 2Weight, w/ hardware: 1.2 oz.Height above rail, stowed: ~0.51 in.Length, stowed: 2.6 in.Length, deployed: 1.5 in. NOTE: Cannot be mounted to a railed gas block due to excess heat issues. Front MBUS must be mounted to a railed fore end on the same plane as the receiver rail. Because of this the sight is also not compatible with MOE Hand Guards. Weight: 36 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.