The Aim Sports Red Dot Sight with Four Different Reticles has an aircraft-grade aluminum body. This Aim Sports red dot sight with 4 different reticle options is designed to handle heavy recoil. The tactical red dot sight is fog-proof and has a shock-resistant housing with weather-resistant seals for long-lasting performance. The optically coated lens is more scratch-resistant and has a higher light transmission resolution. The reflex sight offers four distinct reticles to choose from, each with an adjustable rheostat for brightness control to meet varied lighting conditions. The reflex sight has a Picatinny or Weaver mounting system built in. The reflex red-dot sight comes with a protective lens cover and limitless eye relief for efficient target acquisition. limited lifetime warranty.