Torii ACHRO Red dot

3.5 MOA dot size 50,000 hours of constant operation Weight 2.1 oz / 60 g (sight only) Submersible to 115 feet (35 meters) Clear Aperture (mm/in): 15 × 15mm / 0.59 × 0.59in Optimized for pistol and applications which require a low-profile red dot system