CoiTAC CQB Tactical Red/green Dot Reflex Sight with 4 Different Reticles Weaver Base Red/Green dot sight includes 4 separate reticle options for shooting accuracy 3 brightness light option to determine best light condition Picatinny base fit on any picatinny/weaver style rail or mount. 1 X magnification with unlimited eye relief CoiTAC Life Time Limited Warranty