BUR AR-F3 MOUNT FAST FIRE

Simplest most effective way to mount any FastFire sight on an AR flattop – Allows the FastFire to mount at the optimum height so the red dot can co-witness with flip-up sights – Fits Weaver or Picatinny-style base – Metal wings protect the lens from impact and unintentional abuse – Lower compartment stores spare battery open-end wrench and Torx® wrench