The Heavy (2010)

Genre: Thriller
Starring: Gary Stretch, Vinnie Jones, Stephen Rea

Plot: During a routine hit, "Boots" Mason (Gary Stretch) learns a hit has been placed on his own life when a crocked cop, Dunn (Vinnie Jones), tries to kill him. While seeking his revenge, secrets kept hidden are exposed and no innocent bystander is safe as bullets fly. In this world where you can trust no one, all bets are off!

http://www.imdb.com/title/tt0473364/
http://en.wikipedia.org/wiki/The_Heavy_(film)