MKIII Tactical Squad. Material: Plastic. Factions: Loyalists and Traitors. (Unpainted) (New on Sprue) -- Prepare for battle with warriors donned in the classic MKIII ‘Iron Armour.’ These formidable troops offer the foundation of a Legiones Astartes army, allowing you to field a robust unit of 20 models or divide them into two units of 10, depending on your strategic needs.