title: QF 4 inch gun
text: # QF 4 inch gun
  
  QF 4 inch gun can refer to:
  
  * QF 4 inch naval gun Mk I - III
  * QF 4 inch Mk V naval gun
  * QF 4 inch naval gun Mk IV, XII, XXII
  * QF 4 inch Mk XVI naval gun
  * QF 4 inch Mk XIX naval gun
  * QF 4 inch naval gun Mk XXIII
  