Leapers CBQ Red Dot Scope with QD Mount is ideal for your pistol, shotgun, or rifle. It has both smart adaptor and straight-up quick detachable tactical mount with innovative quick detach mounting deck to use on any Picatinny rail. The illumination rheostat with variable brightness levels offers stealthy and infinitely fine adjustments. Feature: Great field of view and unlimited eye relief Clear and sharp 4 MOA dot sight No-reflection high tech emerald coatings Red or green dot adapts to any environmental background Optimal height design to co-witness with iron sights