Equip the compact Holosun HE403R Micro Red Dot Sight to boost your target acquisition speed while also fine-tuning your accuracy at close to medium ranges. Holosun created these Red Dot Sights using their advanced LED technology that provides 50,000 hours of battery life off of a single CR2032 battery. Unlike other sights, the Holosun HE403R 2 MOA Micro Red Dot Sight offers an unlimited field of view, unlimited eye relief and a parallax-free experience. A rugged aluminum housing protects the internal components while remaining lightweight. You can even change the brightness settings with 10 options for daylight and 2 options that are night vision-compatible. Use the included low or 1/3 co-witness mount to upgrade your weapon with this Holosun HE403R-GD Elite Micro Red Dot Sight.