Master Model 1/48 Su-17, Su-20, Su-22 (Fitter) - Pitot Tubes (optional parts for all versions) and 30mm gun barrels - AM48122
The set includes turned brass Pitot Tubes, resin elements, and 30mm gun barrels.
Manufacturer's description: 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. Static dischargers for your airplane You will find in our set: AM-48-088.