Reptilia LLC ROF-90 features 7075-T6 aluminum construction with a black anodized finish. Designed as a base style mount for AR-15 models, this 34mm tube diameter scope accessory is compatible with Aimpoint Acro P1/P2 and Steiner Optics MPS. It provides a direct rail interface mounting method to attach a secondary red dot optic at a 90-degree angle. 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.