This listing is for 3 sets of Master Model 1/72 Browning M2 aircraft .50 caliber 12.7mm barrels (2 pieces) AM72001

Manufacturer's description: Used in almost every US and other allied fighter and bomber

The set includes two turned brass barrels with drilled cooling jacket. 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.