I sighted it in with a couple of different optics yesterday. Verdict - it rocks!
Had a few friends with me - all of whom are also into suppressors - and they all felt this was exceptionally quiet. As a spectator, the action sound was the only apparent sound shooting until the bullet impacted the berm. As a shooter, there was a little noise apparent by my shooting ear, but still quite quiet. And this was under a covered shooting lane, so suppressors sound louder there than in the open.
So, if you're after shortest OAL without an SBR and like the looks or the coolness of a factory suppressor, this is an absolute winner. If you're after lightweight, the ~9" steel bull barrel section doesn't let that happen, so I'd look elsewhere. And if you didn't already have a muzzle can, I'd probably recommend one of those instead as others have. But as a dedicated can that feels really good in the hand and shoots accurately (consistently kept <1/4" groups at 25yds with CCI SV and a red dot on the Magpul barrel mount or a 1x thermal on the receiver mount) I'm happy I got it. I'd have to mount a magnified optic to see just how well it can shoot, but I'm happy with how it did with no magnification and my eyes.