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Sheesh what a soap opera this place is starting to resemble! The OP asked a very simple question that yes granted could be a fair amount of answers to his particular problem and you T7 just tried to turn a simple answer from GM into a personal attack towards you when there was absolutely none! Sorry to tell you T7 but this forum nor the world does NOT revolve around you! Both of your answers (GM's as well as yours T7) had merit until yours started the little snippy crap!
Now, glad to see that the OP may have solved his problem. Me personally, I would go with loose of anything. Pellets just don't give you the adjustability of loose. As T7 put it, you would be surprised at what a 5 grain adjustment can do for a group. Never got into those pellets when the craze hit.