So I got a 1,000rnd case of russian surplus ammo called Klimovsk. Because it was advertised as Non-Corrosive & the box said the same, I assume it was. After purchasing the case, I read a little more into the ammo online & found out some people were complaining that their Klimovsk was indeed corrosive. This got me a little worried and when I received it in the mail, I made sure to test it before firing through my AK.
This Test is SUPER SIMPLE & uses common household tools. I recommend everyone who buys any sort of surplus ammo, test it before firing (or buying a case!) This process can be used on any caliber.