- Heavy duty, lightweight aluminum construction - Customizable level adjustment - Extended for red dot, reflex, and magnified scopes - Hard coat anodized In the Box AK rails mounting hardware Specifications: Manufacturer SHS PPSMaterial CNC aluminumLength 2.5 in. (main rail), 2 in. (side rail)Compatibility AK series airsoft rifles (slight modification may be needed to fit some models) California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov