Enhance your firearm's accuracy with the NcSTAR VMARFLR Pro Series Low Profile Spring Loaded Flip-Up Rear Sight W/A2 Aperture. This expertly designed rear sight offers rapid target acquisition through a spring-loaded flip-up mechanism, ensuring optimal performance in the field. Low-profile design compatible with most scopes Quick spring-loaded flip-up for instant readiness Dual A2 aperture for versatile aiming options Fully adjustable windage for precision targeting Durable construction using high-quality aluminum and steel Easy installation on Picatinny Mil-STD 1913 rails Upgrade your shooting setup with the NcSTAR Pro Series Rear Sight and experience enhanced marksmanship.