My Ruger Scout (with iron sights) produces groups of about 2 inches at 100 yards with my pet load of 46.5 grains of WC844T and a 165 grain softpoint of unknown manufacture (Midway Blems I bought for about a dime apiece) LC 2007 brass and Wolf large rifle primers. Velocity is right at 2600 Fps as measured by my CED M2 Chronograph.
I mention the load and components to share that I'm using the cheapest of the cheap with this rifle, with premium components I'm sure it will cut the groups considerably.
I have used several different sighting systems besides the irons, red dots, forward mounted pistol scopes and conventional rear mointed scopes and the accuracy remained stable with those systems at a little under 1" groups for 3 shots at 100 yards:
Conventionally mounted Nikon Prostaff 3X9.
Forward mounted 2X weaver pistol Scope
Burris FastfireII
Here's a representative group with the aforementioned load using the Nikon Scope from a bench at 100 yards.
Here's a 15 round group at 100 yards using a conventionally mounted Nikon Prostaff. I was working the bolt as fast as I could and firing as soon as I could get the crosshairs back on the target, no consideration was given to the barrel heating up.
The "lone" bullet hole down at 7 O'clock was a called flyer.
Here's a 200 yard group I fired yesterday with the last 3 rounds of 100 fired that morning:
The group is just a little over 2 inches (I probably could have tightened it up some but I was tired).
I havent fired the rifle for groups at 300 and beyond but I have shot it at steel swingers 10 inches square at 300 and have had no problem keeping all the rounds on the plate from a bipod.
My evaluation of The Ruger Scout (my shooting notwithstanding) is that it is as accurate as any other 308 rifle I own.
It's light weight, has a relatively stiff barrel and is plenty accurate (by my evalaution) out to 300 yards.