It was 44 Minutes, Starring Michael Madsen and Mario Van Peebles. And it was about 2, not 4, bank robbers. It's actually a depiction of the infamous North Hollywood Bank Robbery, the event which had the SWAT team first carrying the M-16. Before this incident, the 16 was strictly a military issued weapon, but the 2 men had kevlar body armor, which is a military-grade armor. If you know about the actual event, this movie chronicles it almost exactly. I'm too tired to review it any more.

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