Made in usa, the marlin 1894 one-piece picatinny scope rail is constructed from 6061 aluminum with a hard coat anodized for a lifetime of service and is machined to mil-spec tolerances.It includes mounting screws and also works with henry 38/357, 44 mag, and 45 colt receivers.Length: 5"Model: 1894 MarlinFinish: Hardcoat AnodizedMaterial: 6061-T6 AluminumPieces: 1Gun Type: RifleRings Included: No