Specifically designed for left handed or left eye dominant shooters. The Warne 45 Offset Reflex Mount Is designed to offer a reflex sight mount that fits the most popular optic mounting patterns while seamlessly blending into the top rail of a rifle, ensuring the maximum amount of space to clear a scopes eyepiece or zoom ring. The height and angle of the mount place the optic in a position to allow for fast target acquisition. With the increasing number of electro optics being used, finding a compatible mounting system can be confusing. We designed our modular Red Dot Riser to t a wide range of different optics based on the mount footprint. All riser mounts that we offer share a robust mounting base, while the top is engineered specially for different red dot styles. Fits Burris Fast Fire 2 & 3/CMORE RTS & STS/Doctor/Eotech MRDS/Holosun 507C/407C V1, 507C/407C V2/Insight MRDS/Leupold Delta Point & Delta Point Pro/Shield RMS/Sig Romeo 3, 3 Max, 3 XL/Trijicon RMR/TrueGlo/UTG Reflex Micro Dot/Vortex Razor, Vortex Venom & Vortex Viper.