Sako (Suojeluskuntain Ase- ja Konepaja Oy) is rifle and ammunition manufacturer located in Riihimäki, Finland. It was founded in 1921, after the rifle repair workshop, opened in former Helsinki brewery, became independent of the civil guard. The workshop grew into a weapons factory, which produced hunting rifles as well as cartridges and moved its headquarters from Helsinki to Riihimäki. The first civilian rifle bearing the name Sako, was the L42, prototyped in 1942 and commercially manufactured a few years later.
After the World War II, domestic hunting culture thrived and Sako invested in development of hunting rifles. Due to this investment, domestic sales increased along with export to the USA and the rest of the world. In the 1980s, Sako merged with another firearm manufacturer, Tikkakoski and gained a valuable rifle line called Tikka. The production of military and law enforcement weapons started when Finnish defence forces ordered assault rifles and cartridges from Sako.
The company has changed multiple owners since 1921, but has ultimately been sold to Italian Beretta Holding in 2000. In 2006, Sako celebrated its 85th anniversary by launching a new hunting rifle family, Sako 85. In 2020, Sako introduced S20, the first truly hybrid rifle, designed for both; hunters and tactical shooters. Another novelty presented by Sako in 2020 was a brand new, lead-free Sako Powerhead bullet.
Sako L691 is remarkably similar to modern Sako 85 rifle, more specifically Sako 85 M. It shares the same receiver, meaning the mounts that fit on Sako 85 M rifle will also fit on L691.
It was designed for 7 different calibres:
One thing worth pointing out when it comes to rifle mounts is that Sako has been using the same tapered dovetail mounting system for a few decades already. This means that some Sako rifles have the same mounting surface on the receiver, despite being decades apart considering their production date. With this, Sako achieved mounting system consistency, so even mounts made for today’s “Sako 85” series of rifles will fit the receivers of older Sako rifles. Rifle mounts manufacturers mainly use only present day Sako rifles (Sako 85) to designate which mount fits which receiver length. Then it’s up to the user to do the research, whether the mount will fit their rifle if they don’t have the newest rifle model.
So, if you want to buy mounts for Sako L691 or any other rifle from the list above, there is a high probability they will have Sako 85 M written in their name, because Sako 85 is currently the newest Sako model with tapered dovetail.
For fixed mounts on this rifle, we recommend Optilock Sako Long or Sako Extended mounting bases. We can insert rings onto these bases, but we must be careful, because Sako Optilock rings are available only for 1inch (25.4mm), 30mm and 34mm diameter scope tubes. One special feature of the Optilock rings are the polymer inserts (except the 34mm ring, which does not include inserts), which prevent scratches on the scope. If we want to install scopes with rails or scopes with tube diameters other than these of Optilock rings, we need to reach for rings of other companies like Recknagel, EAW or Osuma, and they fit Optilock bases as well.
Read more about this on our blog:
The only Dentler rails available for Sako L691 rifles are Dentler BASIS, which allow only Dentler mounts to be installed on them. It is one of the most reliable and accurate quick release mounts for Sako L691 on the market. Unfortunately, Dentler BASIS bases don't support adjustments on the bases, meaning they are not as revolutionary as the Dentler BASIS VARIO.
Explanation of Dentler mounts can be seen on our Roundtable video:
If you would prefer pivot mounts, we would recommend purchasing MAKlassic two piece design mount, because they are the lowest of all pivot mounts. Pivot mounts are usually not among the lowest, but with Sako rifles, they are usually even higher than on an average rifle because of their special tapered dovetail mounting system.
All of the Picatinny rails for Sako L691 are made similarly, all of them made from multiple parts.
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If you have this rifle or any other rifle at home, we would really appreciate it if you could send us some photos of the rifle receiver (mounting surface of the rifle when there are no mounts installed), because it would help us expand our rifle mounts database. If you send us a photo of rifle receiver which we don’t already have, that would be of great value to us and we will definitely reward you for your help.
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