Master Model 1/32 MiG-17A/P/F (Fresco A, B, C) - 37mm and 23mm gun barrels set & Pitot Tubes - AM32069

Manufacturer's description: 

The set includes turned aluminum Pitot Tubes and turned brass 37mm and 23mm gun barrels

It is very simple to use in Your model, cut off the original plastic barrel and drill a hole in the remaining plastic parts. Insert the metal barrel using Cyanoacrylate adhesives.