The best CQB scene in the movies, lots of concealed carry of shotguns in this video clip,
http://www.youtube.com/watch?v=cBFrxbWTlzII reckon it even surpasses the Heat CQB.
http://www.youtube.com/watch?v=8PJcUvbgwLMReal life is somewhat different though, do you go for body Armour and a Fritz helmet and how will this restrict movement and cause overheating problems.
http://www.youtube.com/watch?v=950glfSyS-A