1/700 scale IJN 20cm/50 (8") 3rd Year Type No. 2 barrels - for turrets without blastbags (10pcs) - most IJN cruisers - SM700-008 Used in most IJN battleship, cruiser, and aircraft carrier classes. 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.