Leupold 180093 Freedom RDS BDC Matte Black 1 x 34 mm 1 MOA Red Dot with AR MountAll red dots are not created equal. The Freedom RDS (red dot sight) changes the game when it comes to consistency and durability in a red dot sight. This BDC model comes with a pre calibrated dial for 5. 56 . 223 55gr rounds that lets you accurately adjust the dot out to 400+ yards. Your battery should be the last thing you have to worry about in the field. That's why Leupold designed Motion Sensor Technology (MST) to extend your battery life. It