The Rugers that I have had have been spotty on accuaracy. Some are very accurate and some just have not been fixable for me. If they don't shoot from the box, I dump them in a hurry. I expect that with the right load, any factory rifle should do 1 1/2 inches or better. Most will get one inch or very close to it. You might try playing around with the torque on that angled action screw.