The Blue book section on Sako's is broken up into two sections. There it is.everything you wanted to know about the early Sakos and boreingly more. Stoeger changed the models to AI II and III but kept the Finnbear, Forester and Vixen names. They did build a L61R super for a year or so but it was discontinued cause it was too expensive. Garcia took over in 1972 and kept the line albiet cheapened up.no more 3 lug bolts etc. They added the 264, 300 win mag, 7mag etc along the way. Then the Long action L62R came out in 1962.'06, 270 etc. The L57 was changed to L579 in 1959 to correct some internal problems with the bolt/trigger/safety. The Olympic shooters used these for years.mostly 222's. Also there was one original modern action the L46 (1946).

You forgot the finnwolf lever actions.243. When Stoeger took over they mostly dropped these names and restyled the actions, and called them:ДЄfter a few years they restyled the tang on the AIII action and renamed it AV. This long action Finnbear was made in at least 4 variations that I am aware of: Thus the Finnbear was the long action or magnum action.

The were three original models (sizes) of Sako bolt action Rifles, each on their own action size:

Sako finnbear 338 win mag