This is an older video, but the techniques are timeless. This is more for the military and other security forces. Topics do include disarming of an M16, handguns, and some knife attacks. Weapons disarms are vital to know for your self-defense.
This is a Vimeo video, so the “download” link is really a Vimeo link. Just put it in your browser, and you should be on Vimeo. There is also free software that allows you to download Vimeo videos to your computer.