On the boats 5:00 mins as the are moving down stream in Glasgow on the Clyde (up stream on the Thames in London in the movie ) you can see traffic moving normally on the express way. There is also someone casually leaning on the railing beside the river. The boats are past the Clyde Bridge with the bridge behind them and next shot they are passing under the same bridge.
When the soldiers come across the mass grave you see one of the corpses blink just as the camera pans away.
When talking about gangs taking over the cartridges that fall to the floor are clearly blanks from their crimped tops.