OTO-Melara 76 mm/62 (3') gun barrels (2pcs). One of the most popular modern naval guns ever produced: USN: Oliver Hazard Perry class Italy: Animoso and Audace Royal Netherlands Navy: M-class frigates Danish: Standard Flex 300 Singapore: 62 m attack craft Canada: Tribal class And many more (Used by fifty nations) Set includes turned brass gun 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 part. Insert the metal barrel using Cyanoacrylate adhesives.