Snake Hound Machine is offering a spring kit for the AK pattern rifles. Building spare parts kits for AKs can be a bit challenging because of all the various countries of origins and limited supply of parts. A good spring kit is one of the few spare items that can be purchased relatively easily and will fit a wide variety of AK pattern rifles.
The Snake Hound Machine American Spring Kit contains US made chrome silicon springs that are manganese phosphate coated for corrosion resistance. These are the same springs that they use in their custom builds.
Check out the Snake Hound Machine American Spring Kit.