Holosun EPS CORE GD MRS 1x Pistol Red Dot Sight - 3 MOA Dot & 32 MOA Circle - The Holosun EPS-CORE MRS refelx sight delivers full-size EPS viewing performance in a compact RMSc-footprint optic with a high-visibility 3 MOA dot. Its enclosed design protects the emitter from dust, debris, and weather, while a forward-facing light sensor automatically adjusts brightness as conditions change. Powered by a side-tray CR1620 battery rated up to 50,000 hours and backed by Shake Awake and Lockout Mode, the EPS-CORE delivers dependable, carry-ready performance with enhanced visibility. Features Shake Awake Technology; Super LED Illumination; Multilayer Reflective Glass; Up to 50,000 Hour Battery Life; Full Size EPS Viewing Window; Multi Reticle System (MRS); Enclosed Optic Design; Automatic Brightness with Solar Failsafe; Side Loading Battery Tray; Manual Brightness Control with Memory; RMSc Footprint Compatibility; Aluminum Housing; Waterproof Construction;