If it bothers you that much, have a gunsmith tap threads in the ports and locktite some short, headless, filler/setscrews in the holes - flush on the outside and not protruding into the bore/rifling inside.
Why would anyone port the barrel of a 44 long gun? The recoil is nothing a good recoil pad can't easily handle. Sounds like someone was working on the wrong end of the gun. My2 cents sell it and get a non-ported gun. If recoil bothers you on that one have a limbsaver put on it. It solved my wife's problem on our Marlin 44.
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