Normal?
What you have just may be factory tolerances on the maximum side, creating a little"slop" when it is open. It may not have any effect on how the pistol shoots. Or you may have wear on ALL these parts. Maybe even a little stretch thrown in to boot. I doubt this though, when the .222 cartridge is considered. Probably just factory tolerances. What did the pin, barrel hole, and frame holes look like? Lots of wear? That's how I would decide if it was wear, or just factory slop.
The .44 barrel you describe is a factory issue. It was one of the earlier hotshot barrels. Don't fire a bulleted load with the choke in place! The holes (ports) are original.......................Bug.