Задолго до М16.

"In several instances where they had used magazine fire, jamming of the rounds had occurred, and this had usually been due to the magazine springs having become weakened. A smart tap on the bottom of the magazine sometimes remedied this defect. Sand had often proved very troublesome by getting into the magazines and causing the cartridges to jam and miss-feed."(с)
Британская пехота на северо-западной границе Индии, 1898 год о новых винтовках Lee-Metford Mark I.
Надо бы поискать в старых выпусках "Панча" заголовки в стиле "наших мальчиков преступно вооружили негодными винтовками"...