Warne Modular Red Dot Riser Mount Matte Black - 1 piece - With the increasing number of electro optics being used, nding a compatible mounting system can be confusing. Warne designed their modular Red Dot Riser to t a wide range of different optics based on the mount footprint. This Reflex Sight Riser is designed to offer easy height adjustments with the included spacer, allowing the user to dial in the perfect height for their optic and rifle combination. All riser mounts that Marne offers share a robust mounting base, while the top is engineered specically for different red dot styles. Fits: Burris Fast Fire 2 & 3 CMORE RTS & STS Doctor Eotech MRDS Holosun 507c/407c V1 versions Holosun 507c/407c V2 versions Insight MRDS Leupold Delta Point Leupold Delta Point Pro Shield RMS Sig Romeo 3 Sig Romeo 3 Max Sig Romeo 3 XL Trijicon RMR TrueGlo UTG Reflex Micro Dot Vortex Razor Vortex Venom Vortex Viper And others with same hole pattern(s) All risers include a .180" thick spacer Designed and MADE IN USA