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
- Requires FFL:
- False
