The "kind sir" you refer to, was me. As I recall it didn't take anything extra to pop open the ejection port, just pull the charging handle.
*note, I dont work for VA.. was just near the table and Frank was busy. This guy looked lost, so I answered a few questions until Karnage was free.
Tpr. Spencer, DF
RCD C Sqn - CFB Gagetown
Please save for me, some gallantry
That will echo when I'm gone