danb
dont be a dumbass
https://www.thetruthaboutguns.com/gun-review-heckler-and-koch-sp5k-9mm-pistol/
This was an early review so maybe its changed.
But if true it's a massive massive problem. If you have not run an MP5 supressed, you have not lived. Anyone who pays $2700 for a gun is going to want to do this.
Nevermind, now i see that was SP5K review.