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You will frequently find that shooting .22LR through a 16" barrel will have supersonic cracks. You don't normally see the subsonics go supersonic but I have seen it happen. With the shorter barrel of the pistols this happens much less often though some types of ammo will still crack. Winchester super-x and winchester wildcat are pretty inconsistant and will sometimes crack out of a 3 inch barrel. The winchester dynapoints on the other hand seem to be pretty consistantly subsonic through most of what we shoot...rifles or pistols. You need to pick ammo that works in your firearms. The suppressors don't seem to make as much difference as many of them are very quiet but the bullet sometimes overshadows that when it cracks.
If you have your ruger threaded make sure that whoever cuts the threads checks the barrel for concentricity first. I've seen a large number of Ruger barrels which had the bore offset or angled in relation to the outside of the barrel. Ruger seems to be in a hurry when drilling their blanks and the holes aren't always straight or concentric. This can cause baffle strikes if the bore is pointed one direction and the barrel another.
Frank
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