If you are so inclined: http://www.accuracysystemsinc.com/index.php
Clink on RUGER and scroll down to the Trigger Job link.
I sent mine off today to have the 2 stage job done. My 581 series with a 3-9x40 scope shoots sub-MOA.
"Let me live in my house by the side of the road and be a friend to man."