The plane they board at the end of the episode is not the same model aircraft shown taking of moments later.
The Chinese intelligence officer displays what he says is a Chinese M99 sniper rifle to Dr. Cassidy, but the rifle clearly has an M14 action, and is most likely a .30 caliber American M14 DMR. The M99 looks completely different and is .50 caliber.
After they arrive at the paint-ball place.