Sako Tikka Rimfire Groove Optilock Base Features The Sako Tikka Rimfire Groove Optilock Base is built specifically for the 11mm dovetail groove found on Sako and Tikka rimfire receivers giving a precise factory-matched fit. Machined from steel the base is engineered to handle the recoil and repeated mounting cycles a hunting or range rifle sees over its life. The blued finish matches the factory bluing found on many Sako and Tikka rimfire actions keeping the overall look consistent rather than standing out with a mismatched finish. Because it uses the Optilock mounting style the base pairs directly with Sako Optilock rings for a proven widely trusted mounting system. A secure base-and-ring mounting system matters most on a rimfire rifle used for precision work where even small shifts in zero can throw off a tight group. The Optilock system is respected for holding zero reliably across sessions which benefits shooters running their rimfire for small game pest control or informal competition. Pairing this base with the correct Sako Optilock rings lets a shooter mount a wide range of riflescopes suited to their intended use. The Sako Tikka Rimfire Groove Optilock Base is a straightforward durable way to add glass to a Sako or Tikka rimfire rifle. Sako Tikka Rimfire Groove Optilock Base Specifications Manufacturer: Sako Model: Tikka Rimfire Groove Optilock Base Style: Optilock Compatible Hosts: Sako/Tikka Rimfire 11mm Groove Type of Rings Needed: Sako Optilock Material: Steel Finish: Blued Available At: GrabAGun