Elmer, yes sir, the faux suppressor is removable, it screws right off. The barrel extends past the slide slightly. If you Google (gsg 922 suppressor removal) you can find better pictures/videos of the pistol with the faux suppressor removed. Hope this helps.

Here's a nice YouTube review on it. As you can see, the barrel does NOT sit flush when you remove the Faux suppressor.
https://youtu.be/eX62DmIOObY

Elmer, the faux suppressor is removable. After removal, you put on the thread protector, which will not be flush with the slide, as seen here >>> gunsamerica.com/973095201/-NIB-ATI-GSG-922-22LR-1911-Semi-Auto-Pistol-w-Faux-Suppressor-GERG2210GSG9S.htm

Elmer, the faux suppressor can be removed and the barrel is flush. Cheers and stay safe!