B&T call their suppressors simply something like “Rifle suppressor Rotex V”, which can be interpreted that the suppressor is called “Rotex V”, while in reality it is an attachment option - and the suppressor is called “Rifle suppressor”! Also there is a suppressor called MARS, which uses the attachment option MARS, which can also be used by other suppressors. But MARS suppressor can also be Direct-Mountable. Confused? Read this article.