German aircraft machine gun MG FF (20mm) barrels (2pcs).
Used in many German fighters and bombers (Bf 109, Bf 110, Fw 190, Do 217, He 111, and many more)
Set includes two 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 plastic parts and insert the metal barrel using Cyanoacrylate adhesives. By Master