1/700 scale USN 5in/62 (12.7 cm) Mark 45 barrels (2pcs) - USN Arleigh Burke class, Korean KDX II, Japan Kongo class - SM700-021 Used on: United States: - New-construction Arleigh Burke class DDG's. First installed on USS Winston Churchill DDG-81 - Can replace existing 5"/54 (12.7 cm) mounts - Modernized Ticonderoga (Flight II) CG-47 class Republic of Korea: - KDX II destroyers Japan: - Kongo class Aegis destroyers Denmark: - Flexible Support Ships. The set includes turned aluminum 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.