Start of lstUrls_of_images_in_html_descriptionProduct Number: S1A067761 Sako’s Optilock bases are machined from a solid block of steel, Cr-Mo alloy or stainless, just like our rifles. The front bases have a solid angled left side and a similarly angled right side with a clamping device. This base design connected to Sako rifles integral dovetail rail allows you to adjust the horizontal position of the scope objective end without touching the scope adjustment. Base Type: Sako Extended Made in Finland Fits L61R/L691 TRG-S Sako 75 Sako 85 End of lstUrls_of_images_in_html_description