To fill a green gas mag with gas just flip your mag upside down and there will be a hole. Just push the adapter tip into the hole and keep it in there for 5 seconds. Then take it out and your mag is full.
To fill a green gas mag with gas just flip your mag upside down and there will be a hole. Just push the adapter tip into the hole and keep it in there for 5 seconds. Then take it out and your mag is full.