Zastava M90 OUT of GAS!
This guide details the 'Sand Tornado Test' performed on the Zastava M90, highlighting its adjustable gas system and potential failure points. Expert analysis from Rob Ski of AK Operators Union identifies a critical issue with the gas regulator retainer bracket losing tension under recoil, leading to malfunctions. The guide provides steps for field diagnosis, temporary adjustment, and a permanent corrective action to ensure reliable operation in adverse conditions.











