MAGPUL MBUS 3 Rear Sight (Black)

MAGPUL MBUS 3 Rear Sight (Black)Great things come in small polymer packages. The MBUS 3 Sight - Rear brings tool-less windage and aperture adjustment to a rear sight that's ready when your primary optic isn't. It stows at just 0.55" tall and 1.38" wide on your M1913 picatinny rail and includes ambidextrous deployment capability and two aperture options for different shooting scenarios.Made in the USA.Features Compact (0.55 tall when folded; 1.38 wide) and lightweight (1.06 oz) polymer rear sight optimized for mobility, durability, and reliability Spring-loaded, ambidextrous button for quick deployment from stowed position Tool-less windage adjustment for on-the-fly flexibility as your situation changes Rapid-select, rotating aperture window allows a wide or narrow view for close-range shots (or low light situations) and longer distance shooting Standard AR sight height for across-the-board compatibility Full-featured spring-loaded flip-up sight Ambidextrous push-button deployment and rapid-select rear aperture system 0.55" high when folded and 1.38" wide at the widest point Standard AR height when deployed Impact-resistant polymer construction Polymer constructions, smaller size provides light weight and resists operational abuse Clamps to most MIL-STD-1913 Picatinny RailsSpecifications Position: Rear Height above rail, stowed: ~0.55 in. Platform: AR10, AR15, M4, M16, M110, SR25 Weight, w/ hardware: 30 g Center of aperture to top of rail: 1.42 in. Windage Adjustment: ~0.5 MOA (0.606"/100m) per click with a 14.5" sight radius ~0.4 MOA (0.439"/100 m) per click with a 20" sight radius