User blog comment:Capt. Miller/Call of Duty: World War II Multiplayer Trailer Released/@comment-2163805-20170613182553/@comment-24957048-20170613200346

Yep, removing or adding attachments is confirmed, here you can see "load incendiary rounds" and here is detachment of suppressor. Lol, I was wondering how many years it would take them to implement something like this.