Quote Originally Posted by substratum View Post
Newbie questions. Does it damage a suppressor to fire regular ammo through it, and does it suppress it materially if that's what you do?
No it shouldn't as long as the suppressor is rated for it. Some multi caliber units have warning about using full tilt rounds of higher calibers in them.

It reduces the muzzle blast noise to a degree, but the supersonic 'crack' will still be quite loud.