Zach Long wrote in Facebook that it's capable of shooting 2400 shots per tank, didn't mentioned what size tank though. The operating pressure is also low, again didn't mentioned how low.
The leaked drawing.
Even though the drawing looks exactly like the real marker, Bob Long still denied that it was the G6R back then. What were they trying to hide?
Only 1 pound 13 ounces!! (that's 0.82kg)
The lever is very short...
Bob Long's body is thin!! (the marker i mean...)