Depending on the exact model, age and condition the range could be from 25-2500 USD.
50- 175 usd
The L579 was a model number that was used by Sako.it describes the action type.The info that you provided will not indicate what caliber that you have.Your Sako rifle should be marked as to what caliber your rifle is chambered for,somewhere on the firearm itself.
4x, 1-4x, 3x9 are all candidates
The .45 caliber bullet is not used in a sniper rifle.
There were many.
springfield 1903 rifle........30/06 caliber
Any caliber can do the job. Most states regulate what can be used.
Caliber
50-1000 and up
44-40
Shiloh Sharps caliber 45-110. Nice rifle, huh?
1861 Springfield 58 caliber Rifle Musket 1858 Endfield 3 Band .577 caliber Rifle Musket Sharp's Carbine 50 caliber Sharp's rifle 50 caliber Burnside carbine 52 caliber Spencer repeating carbine 52 caliber Henry Repeating rifle 44-40 rimfire Model 1841 Mississippi Rifle 58 caliber Harper's Ferry 1840 conversion smoothbore 69 caliber (Buck and Ball) This list represents only the more popular rifles. Other firearms such as shotguns (which do not have rifled barrels) and handguns (revovlers) are not listed.