Specifically, I'm looking at a PSA KS-47 with a 10.5" barrel. That's the simplest version and I live and work within at least 2 of their stores. The available data for subsonic loads for many calibers is growing, and I'd like to try some to see if they'll run. This is a project that will be a while coming together though, and it's likely I'll just go 9mm instead for cost reasons. Still, it's good to have all the information.