A bit of a step aside from the more 'serious' weapon videos in this fora but nonetheless quite interesting:
[yt]KRVwpR2a7ME[/yt]
http://www.youtube.com/watch?v=KRVwpR2a7ME&feature=related
[yt]KRVwpR2a7ME[/yt]
http://www.youtube.com/watch?v=KRVwpR2a7ME&feature=related