The Holosun HE407C-X3 upgrades the trusted 407C platform with a reinforced housing, advanced brightness control, and a crisp 2 MOA dot built for modern pistol setups. Designed around the RMR footprint, it delivers a low-profile optic that stays fast and simple for everyday carry, duty use, and range time. Automatic brightness from a forward-facing photodiode works with Solar Failsafe to keep the dot tuned as light changes, while manual controls with memory and lockout give shooters full control when needed. Powered by a side-loading CR1632 battery rated up to 100,000 hours and backed by Shake Awake, IP67 waterproofing, and 5000G vibration resistance, the HE407C-X3-GR2 is built for real-world reliability without extra bulk. FeaturesShakeAwake TechnologyMultilayer Reflective GlassSuper LED8 Daylight Brightness Settings and 4 Night SettingsSolar Power BackupUp to 10,000 Hour Battery Life0.58"x0.77" Window