The HE512T-RD is a versatile open reflex optic designed for long gun applications. HE512T-RD is at home on carbines, PCCs, and shotguns due its durable design. HE512T-RD features a housing made of Grade 5 Titanium and includes a QD absolute co-witness mount (1.41 dot height). HE512T-RD is packed with Holosun innovation including Solar Failsafe, Shake Awake, MRS (Multi-Reticle System), Red Super LED with up to 50k hour battery life, with 10 daylight and 2 night vision compatible intensity settings.