Steve, although there seems to have been a bit of variation in the actual constrictions, I'd say Q-1 is about skeet 1 and Q-2 would be about IC, or even a bit looser. In a letter I received from Jack Skeuse dated 3/6/1989, he listed the following constrictions:
Choke 12g 20g 28g
Q-1 .003 .003 .003
Q-2 .006 .006 .005
Joe
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