All 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 let's you accurately adjust the dot out to 400+ yards.Leupold took their 70+ years of optics knowledge and created a red dot that's built Leupold tough, performs in extreme conditions, and won't break the bank. It's everything you need in a red dot and nothing you don't.Features34mm MaintubeBullet Drop CompensationLightweight Aluminum HousingMotion Sensor Technology (MST)Punisher TestedPush Button IlluminationWaterproof & Fogproof