Gary;
Let me start out by saying that I'm against reaming out chokes. I agree with Brian in loading (if you reload) a load without the shotcup by either using fiber wads or simply by cutting the petals off a plastic wad. Both methods allow the shot to contact and "scrub" the bore, slightly deforming it and opening the pattern. Many years ago I contacted Tom Roster, a ballistician of some note, and he suggested that I try this method. It opened the pattern, using low antimony 7 1/2's, by about 10%. Low antimony, or soft shot, is the key here. But I, like Mills, have come to enjoy shooting tight chokes. If you are just shooting skeet and SC, try different loads, such as cheaper promo loads in 8 1/2 or 9. Smaller shot is typically softer as the antimony content is'nt there and will open up a tight choke. Bottom line is you are going to have to spend some time at a pattern board, shooting these different loads and finding one that you are comfortable with. But the ultimate test is shooting lots and lots of clay targets with different loads and completely, and I mean completely, forget about what choke is in your gun. You'll be surprised.
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