.
What you have is a FSR target rifle with a Faldt rear sight on it -- one of the better sights. PM sent to you.
Are you sure that the date is 1942?
Could you please post a good clear picture of the receiver ring where the Makers name and date is? Also, a couple of pictures of the stock could identify the type of wood used.
These rifles were usually owned by civilian shooters, but some were loaned by the military to gun clubs and shooting organizations. The FSR (FrigvillaSkytteRorolsen) is the shooting authority similar to the DCRA or the NRA in the United States. As a civilian rifle, it would appear that the owner thought that by free floating the barrel between the bearing points was a way to obtain better accuracy.
I would not worry too much about it, but go and fire it first. Try different loads, and see what it will do. Some of the Gunsmiths in Sweden were FSR approved, and they did experiment with bedding and such, so from looking at it, I would say that this is not some "Bubba" job.
I would not look at buying another stock for this rifle. With the addition and drilling and tapping for the target sights, some of the value as a military rifle has been lost. Again, this is a Civilian used target rifle.
.
.