+1 .50 cal weapons are quite often used against human targets, http://www.stripes.com/blogs/the-rumor-doctor/the-rumor-doctor-1.104348/can-you-use-the-50-caliber-on-human-targets-1.134278 "But retired Gen. Barry McCaffrey said his troops used .50-caliber machine guns when fighting enemy troops at close range and when bombarding the enemy from afar." Just a small part of the article I linked