Used in late New Orleans class USN cruisers (Tuscaloosa, San Francisco, Quincy, Vincennes) and Wichita, Baltimore, Oregon City and other Classes.
The set includes turned aluminium barrels. It is very simple to use in Your model, and makes it extremely realistic. Simply cut off the original plastic barrel and drill a hole in the remaining blastbag and insert the metal barrel using Cyanoacrylate adhesives.
Used in Yamato, Musashi IJN battleships.