Are they, the empties, shooting out in front of you (1:00 o'clock), sideways (3:00 o'clock) , behind you (5:00 o'clock). It can tell alot about your rifles gas and spring condition.
Observe the ejection pattern in different modes of operation, suppressed and unsuppressed, super sonic and sub...
The comment on ejection is simple to observe. It can tell things like ejector spring issues, buffer spring and buffer issues as well as under/over gassing. Is there a difference when operating in different modes?
I had the same problem with FedEx NOLA Airport regarding overnight requirement. On two occasions they take the ruger label with a handgun and in between the rugers they don't take a century label with a long gun. It has to be an overnight label. None of the labels were overnight from the...