Picatinny rail in hardened steel for Sako 85 S/SM - CONTESSA rail length: - 133 mm Height (BH) - 11.5 mm Weight: - 5.50 oz Material: - Steel Supplied contents: - 1x Steel rail, - 1x Key, this Steel Picatinny rail is precision manufactured by Contessa Alessandro & C. snc The piece is precision made to fit the rifle with exact dovetail spacing to fit the rifle with the supplied wrench. This full length rail has two dovetail clamping blocks that attach to the tapered dovetails on either side of the ejection port on your Sako rifle.