Dagger Defense DD104Q Red Dot Reflex sight with Quick Detach Mount- Reflex sight optic and substitute for holographic red dot sights Comes with quick detach picatinny rail mount Reflex sight with four position red and green reticles Includes; Optic, Batteries, Lens Cloth, Hex Wrench Comes with locking screws for your sighting adjustments Fits most standard picatinny rail systems