*4 Reticle Pattern*The reflex sight is a very sturdy and secure rail mounting system* The reflex sight can be used for 2000 hoursThe red dot sight is suitable for both loom and Picatinny rails, it can be used for any rifle or pistol setup. We also provide you with a wrench for free, which you can easily remove or install, for home defense, Game competition, hunting, plinking, and any competitive shooting.