The Freedom RDS (red dot sight) changes the game when it comes to consistency and durability in a red dot sight. Backed by a lifetime warranty. Includes AR-specific mount. Battery Life at Brightness 4 of 8: 1000 hours minimum RDS no mount with battery = 7.2 ounces RDS with mount, battery & capped adjustments =12.6 ounces Dot provides definitive aiming point 1 MOA (minute of angle) dot is ideal for precise shot placement Does not obscure target Provides wide field of view Rapid target engagement Red illumination 1 MOA is approximately 1 inch at 100 yards