Introducing the latest in Magpul’s MBUS (Magpul Back-Up Sight) line, the MBUS 3, now available in a sleek FDE colorway. This sight combines the best features and value of the original MBUS and MBUS Pro sights into an advanced back-up sight system. With a compact design, it measures just 0.44″ high when folded and 1.15″ at its widest point. Inspired by the aesthetics of the MBUS Pro, the MBUS 3 is made from impact-resistant polymer, ensuring it’s both lightweight and highly durable. It features the same reliable spring-loaded technology as its predecessor, allowing for easy deployment with an ambidextrous push-button. The MBUS 3 Rear Sight is designed to sit at standard AR-height when deployed and includes a rapid-select aperture system for quick adjustments.