The twist rate is 14"
You will have to contact Sako. Falls outside published data.
Someone at the Sako collector club might know.
Need a DETAILED DESCRIPTION OF ALL MARKINGS to answer.
1-8 or 1-12
1/14 IIRC. Have it verified by a gunsmith
No known published sn data in the US
The Sako L461 Vixen in .222 rifle was manufactured between 1965 and 1975. The serial number 148678 falls within this production period.
No sn data published in english, 100-1000 depending on specifics
1/12 or 1/14.
I have a sako L461 serial no 97578. This was purchased in 1968 , so, I guess no 86302 would be somewhat older.
Another Sako barrel