Magpul Industries MBUS Back-Up Rear Sight Gen 2 Fits Picatinny Rails Black Finish Flip Up MAG248-BLK

Magpul Sight MBUS Rear Back-Up Sight Rear Picatinny Polymer Black The MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. It is designed as a back-up sight for emergency situations. 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. 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 uFALSEbstructed folding under impact, etc. - Clamps to MIL-STD-1913 Picatinny/STANAG 4694 receiver rail and provides the same height-over-bore as standard A2 irons - Protective wings shield the dual, same plane flip apertures - Sight can still be folded with either large or small aperture in position - Detent kFALSEb easily and positively adjusts windage - Made in U.S.A. Specifications: - Type: Flip-Up Rear Sight - Color: Black - Material: Polymer - Mounts To Picatinny Rails - MBUS – Rear Gen 2 - Weight (with 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.