Suppressor

Suppressors are a type of Vanguard Primaris Marines introduced in the Shadowspear set. They are clad in what looks to be a modified suit of Gravis armor that the Inceptors use with the Vanguard helmet. They are armed with autocannons and smoke launchers.

Tabletop

Suppressors function as a complement to your Reivers and Assault Squads, with a special rule on their autocannons taking away an enemy's ability to fire overwatch, making them great at helping your Reivers clear our hordes and gunlines. The Sergeant also has a smoke launcher, which he can use once per game to make all enemy units take a -1 to hit on the unit until your next shooting phase, making them excellent at last stands (Sergeant uses smoke launcher, squad shoots autocannons into unit to take away overwatch, unit gets -1 to hit their fight phase, and, even if they fall back, any units shooting them still get the negative modifier.