Master Model 1/700 IJN 3rd Yr barrels for Turrets w/Blastbags (20pcs) - SM700059
IJN 14 cm/50 (5.5in) 3rd Year Type barrels - for turrets with blastbags (20pcs) - most early IJN battleships and cruisers
The set includes turned brass barrels
It is very simple to use in Your model, and makes it extremely realistic. Insert the metal parts using Cyanoacrylate adhesives.