The Magpul 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 (0.55ʺ tall when folded; 1.38ʺ wide) and lightweight (1.06 oz) polymer rear sight optimized for mobility, durability, and reliability
• Attaches to M1913 Picatinny rails
• 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

Technical Specifications