Quote Originally Posted by Airbrush View Post
The Whisper design has changed by the looks of it, mine just has the shroud & end cap, no inner or spring & it has 5 holes in each of the flutes which go out to 70mm from the muzzle.
Any way you could post a pic? I'd love to see the difference.

I've tried it without the liner but it bleeds off too much gas, so the slide won't go back.