Reptilia LLC ROF-90 features a precision black anodized aluminum build weighing 1.20 oz. Designed as a base style mount for AR-15 and AR platform models, it works with Geissele 30mm Super Precision setups and is compatible with Trijicon RMR / SRO / Holosun Technologies optics. This mounting method provides a direct rail interface to mount a secondary reflex optic at 90 degrees. Includes mounting hardware. Safety Note Always ensure the firearm is unloaded before installing or adjusting any optics or bases. Verify proper torque specifications during installation. Improper mounting may affect accuracy and safety.