Picatinny Rail base is crafted from aluminum with a black anodized finish, 5.43 length, and 0.84 width. Engineered with a 20 MOA cant/offset, this rifle base is designed to fit Fierce Rival short action firearm platforms. It comes complete with mounting hardware and weighs 1.80 oz. Designed for solid rail interface performance. 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.