The Gunwerks Revic BR4 Ballistic Rangefinder features the innovative Revic ballistic solver with advanced wind and earth based effects to provide accurate, ultra-fast corrections in MOA, MILS or the exclusive shoot-To-range for use with BDC turrets. The data rich display simplifies the shooting process and the improved ranging tools feature target discrimination and a new long range mode. Programmable via a connected Bluetooth device, and capable of over-the-air updates, the BR4 provides constant access to the latest software improvements