RM 320mm/44 TwinRM 320mm/44 Triple
IJN 35.6cm Triple ProtoIJN 35.6cm Triple Dazzle KMS 38cm TwinKMS 38cm Twin K RM 38.1cm TwinRM 38.1cm Twin K
IJN 41cm Triple ProtoIJN 41cm Triple KIJN 41cm Triple K2 RN 16" TripleRN 16" Triple + AFCTRN 16" Triple + FCR USN 16" MkI TwinUSN 16" MkV TwinUSN 16" MkVIII Twin USN 16" Triple Mk6USN 16" Triple Mk6 + GFCSUSN 16" Triple Mk6 M2