Originally Posted by wingsprint
My 220 has well over 10,000 rounds through it and it has been flawless. For practice and training, most of the time I have used regular pressure ammo. With that said, I have shot a fair amount of +P ammo with it and have never had a problem.
I think it is fair to say that the 220 is an incredibly durable pistol and will not have problems with +p ammo use.
Around 93 they beefed up the 220 for +p. If it has the rounded hammer and the recoil spring has a splash of green paint on it then it is +p rated. Read this in an article by Chuck Taylor in Guns & Ammo or was it Combat Handguns.