This RMR QD Mount Base features a black finish and an Ultra Low ring height profile. Engineered with QD Mount series functionality, it is designed specifically for RMR optic footprint compatibility. The base measures 6.90 in length and 4 in width, delivering a solid and reliable mounting platform for your optical setup. 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.