1/700 scale USN 5in/54 (12.7 cm) Mark 45 barrels (2pcs) - Ticonderoga class and many modern warships - SM700-020 Used in California (CGN-36), Virginia (CGN-38), Ticonderoga (CG-47), Arleigh Burke (DDG-51), Spruance (DD-963) and Kidd (DDG-993) classes. 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.