### Clue: Gun torture for fun remains for downed British companions (7,3,4)
### Answer: BANGERS AND MASH 
 ### Explanation: Definition: downed British companions
 BANGER(something that makes a bang, say, a gun) + [S AND M](S&M;abbrev. for "sadomasochism", the infliction or reception of pain or humiliation;to its practitioners, torture for fun) + ASH(remains after burning).
Defn: The 2 main components of a food dish downed by many in the UK,.