Bofors 40 mm/56 (1.5in) barrels (20pcs)
Master SM-400-003

It was AA heavy MG used in almost every major US, 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.