The Holosun HE407C-GR X2 uses the Trijicon RMR footprint. This is one of the most common mounting patterns for red dot sights, ensuring compatibility with a wide range of firearms and mounting systems that accept the RMR pattern. Always verify your firearm or mount is compatible with the Trijicon RMR footprint to ensure proper fit and function. The HE407C Green X2 is an open reflex optical sight designed for pistol applications. Features include Holosun's Super Green LED with up to 50k hours battery life, 2MOA dot only, Solar Failsafe, and Shake Awake.
2 MOA Green Dot Reticle. Up to 50,000 Hours Battery Life (Setting 6). 12 Brightness Setting: 10 DL & 2 NV Compatible.Parallax-free & Unlimited Eye Relief. Power Source: Solar & Battery. Brightness Setting: 10 DL&2 NV. Window Size: 0.63x0.91.
Dimension (in): 1.78x1.15x1.15. Housing Material: 7075 T6 Aluminum. W&E Travel Range: ±50 MOA. What that means is if you order. It depends on where you live.