The Sight Mark Core Shot A-Spec FMS Red Dot brings precision and reliability to the high-stakes world of hunting. The increased accuracy of the A-Spec FMS Red Dot is excellent for sport shooting, in a professional environment, or even in competition conditions. The Core Shot is the link between the Mini Shot and the Ultra Shot series for those avid shooters looking for a compact Red Dot. Its aircraft-grade aluminum frame makes it very reliable and light, while the smartly designed battery cover allows easy replacement without disassembly. It can also be used on American AR weapons with the help of a mount riser. With the help of adjustment screws, it is also possible to quickly adjust the height and side correction. It works with one CR2032 battery, which enables 1400 hours of operation. The brightness of the 5 MOA aiming point can be adjusted in 6 steps. Can be mounted on both Weaver and Picatinny gun rails. Product registration for extended warranty: https://support.sightmark.com/hc/en-us/requests/new?ticket_form_id=5585789283988