Blood Ravens Sgt. Argentus served alongside the Salamanders Chapter during the second Armageddon War. Their artificers gifted him with this bolter modified to fire deadly Dragonfire bolts.
It is a two handed bolter that does 19.3 damage per second.
It is a level 8 piece of wargear.
It can only be equipped by the Force Commander, Tarkus, Cyrus, or Thaddeus (with a trait).