You will have to buy all the loads available and shoot them to find out. All weapons have a preference for certain loads. The only way to know is to shoot what is out there.
You will have to buy all the loads available and shoot them at 500 yards to find out. All weapons have a preference for certain loads. The only way to know is to shoot what is out there.
If you google "308 Norma ammuntion" you will have a start
1960
Yes
100-1000 usd
100-400
Doubtful. The .308 Norma Mag was a fairly short lived cartridge, and competed with Weatherby's own line of magnum rifle calibers.
Find a gunsmith and ask for help.
Depends on what you are shooting at, how good a shot you are, what position you are shooting from and the load you are using. For the vast majority of folks 200m is about it under ideal conditions from a prone position.
Get it to a gunsmith now.
If you don't have an owner's manual, go to a gunsmith and ask for help.
50-1000 USD depending on specifics