Thread: How to make my .22 quieter

I use Winchester Subsonic in a semi auto with a quite short (14” or so) barrel and silencer and the loudest noise is the action cycling.
I doubt barrel length is the issue.

The inference is that his barrel is too long giving greater velocity and pushing those borderline CCI Subsonics in to supersonic rounds. Solution is to use lower velocity rounds or get the barrel chopped. Who wants a long barrel 22LR anyway?