Warhammer 40K Space Marines - Primaris Infiltrator SquadWarhammer 40K Space Marines Primaris Infiltrator Squad Clad in Mk X Phobos pattern armour, the light and fast moving Primaris Infiltrators are responsible for disrupting enemy communications and sabotaging targets of opportunity. The first the enemy sees is a cascade of choking smog as the Infiltrators hurl a barrage of smoke grenades, masking their advance. As the foe peers into the swirling cloud, the Space Marines bring their targets down with