Black Lagoon
IMDB (8.2/10)

A Japanese businessman, captured by modern-day pirates, is written off and left for dead by his company. Tired of the corporate life, he opts to stick with the mercenaries that kidnapped him, becoming part of their gang.

I really liked this one. There are lots of guns and swearing. Revy is a badass and some of the shit these guys do is insane. Like take a helicopter out of the air with a torpedo.

Watch it here