1/350 scale British 2-pdr - 40mm/39 (1.575in) Mark VIII (POM-POM) barrels (20pcs) - SM350-015
AA heavy MG used in almost all major UK (and other) warship of WW II.
The set includes turned brass 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 and insert the metal barrel using Cyanoacrylate adhesives.