Why would anybody ever suppress a 10mm, isn't the whole function of a 10mm that its a auto magnum round?, do they make a subsonic round for 10mm? I'm sure you could handload such a round but wouldn't 45acp be a better candidate(a little more surface area to make up for the lack of velocity). I'm gonna really show my ignorance now. Would putting a can on a tilting barrel pistol possibly cause malfunctions(you know leverage and all) maybe if someone is holding or touching it? Wouldn't a fixed barrel weapon be more the weapon of choice. I could see using this weapon for HD but I think when the need arises you'll probably grab whatever is closest.
Ever Chrono off the shelf 10MM? Its watered down and not at the true 10MM Norma (full house) spec. The last batch I chronographed was about the same as my .40SW in the same weight, talk about disappointing; thanks Hornady. For suppressed, how about a 200 grain XTP at 1050FPS X15 rounds in the gun? Good times.
The Full House spec would be closer to .41 magnum velocities and KE, which is also good times.
But to answer your question. The vast majority of .45ACP is subsonic at full spec, some +p and +p+ get close to or exceed supersonic.
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