I'm not sorry.
Edit:
I did this video for the lolz purely.
[spoiler]I'll be the first to admit my k/d is bad. [/spoiler]
Version without music:
http://youtu.be/IhHOzBuYvEQ
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I don't dump ammo, but I don't reload either, and whenever I get a final round kill I shout "I regret nothing!"