I suggest getting one that is similar to your carry gun that has a threaded barrel. I carry a M&P and I have a M&P22. Makes a great host.I currently dont own a 22 pistol, i do have pistols in other most common calibers. In the research process of nfa trust, with 22 suppressor as first nfa item. So, i figured i would buy a pistol to play around with will waiting on tax stamp. Plus i want a 22 pistol anyway.