I have a 1 in 9 twist rate barrel on one of my 22s. It does poorly with 40 grain ammo though. I bought it cheep not seeing the difference at the time. I hear there is some ammo it likes... haven't looked in to it yet.
"I ask, Sir, What is the militia?" "Its the whole of the people. To disarm the people is the best and most effectual way to enslave them" -George Mason Co-Author of the second amendment.