[Sturmgewehre]

I would imagine it's advisable to wear hearing protection when shooting a suppressed rifle.

I would say it's about like a Ruger 10/22 being fired with standard velocity ammo. I found it to be comfortable without hearing protection. I also don't wear hearing protection when I do things like mowing my lawn, and I know some people do. So everyone has different comfort levels.

It's not like a good can on a 45 ACP with subsonic ammo and running the can wet in terms of how quiet it is.