Got one. Matched with an Asa Utra mod and one of the original Tasco Titan 2.5 X 10 X50 scopes and Harris bipod. It's bloody marvellous!
Have a look at
This site It not the sako but it gives good ballistc info.
I took 1 magpie through the head at 150yds on a calm day. I use Hornaday 17gn but they are hard to find at the moment, good job I bought plenty last time.