Heat gun and a rag?

[u/Mythic01]

Sufficient kit for cleaning the cosmo out of a sks?

[u/scottsuplol]

Full strip down and soak the parts in mineral spirits over night then rinse in boiling water and light oil is all you need. Stock can be wiped down with a clean rag and polished up eaisest way I’ve found with all my sks especially with firing pin assemblies that are stuck that way you don’t mush the retainer pin