I had problem galore with my little P-22. Failure to feed, failure to eject, fired cartridge stuck in chamber, poor accuracy, etc. Tried all kinds of differnt ammunition in it. Only thing it really liked was CCI Green Tag, expensive ammo! I was directed to a website that gave a lot of solutions to the problems, but felt I should not have to do modifications to a newer gun. Did some anyway and it was a little bit more reliable. Mine was a very early model that had come with both barrels. Supposedly the newer ones (marked ag, ah, etc on barrrel) with type "b" magazines has fewer problems. Sold mine don't miss it! Use the $$$ as part of the layaway on a Para-Ordinance Warthog
Love my Beretta Neos so much more, eats up any kind of ammo, quite accurate! Offer me te P-22s and two hundred bucks and I won't give you my Neos.
As far as shopping for .22s check out www.rimfirecentral.com
Anything you want to know pertaining to .22s you can find out there. If you have a P-22 with problem check out the P-22 bible on that site.
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