Well, I'll sneak in stealth, and go behind a turret control, and my guy will stand there doing the movement and the bar will fill up. Nobody notices me until the last second, but it sometimes won't cap, even if it hits 8.0/8.0 sometimes it'll stay at 8.0 for a second before I get hit or move, and it won't cap...
Like I said, nothing else lags and this happens sometimes, more often than I'd like