If not AKs , then 22’s - it is Africa after all - and their security force probably need all the help they can get . Note that Gemfields seem to be gearing up to fight a human rights abuse claim . Wonder if there’s any truth in it or if it’s their size and prosperity that makes them an easy target .
http://www.mining.com/gemfields-reveals-denies-fresh-human-rights-abuse-claims-mozambique/