I have a 3" Model 12 that shoots incredibly tight patterns-so tight as to be useless for most hunting scenarios. It is only slightly easier to use it for informal skeet as would be a .22. One thing I found was that if I shoot the cheapest "promo loads" in it, the patterns open up a noticable amount. I assume it is because of very soft shot and probably just cheap components all the way around.
If your doubles will stand modern pressures, it may be worth it for you to try a cheap 4-pack from WalMart. It could help you pick up a few clays.
