In the 1960s, the army immediately began with the question the XM16E1 (M16 title on its adoption) with the units of infantry, and to rifle it was at the beginning provided without to provisioning or kit proportioned of cleaning.
Moreover, the incapacity of the army to provide characteristics of quantity and speed of meeting of ammunition of 5.56 millimeters led to a change of the powder specifications for the cartridge of 5.56 millimeters. Unfortunately, the change was made without examining the ammunition modified of shooting under operating conditions. Ammunition 5.56 new-indicated increased the cyclic rate of fire, increasing the use on parts, and news the clogging increased by extreme characteristics powders in M16 rifle.
“CuQuand” or the XM16E1 reached Vietnam with the United States is assembled in 1966 pays to block and the malfunctions in the combat immediately started to prepare. Although M14 had a barrel and a room chromium-striped to resist corrosion in states of combat (a danger learned from a Pacific experiment of combat of theatre of WWII), the M16/XM16E1 did not have any chromium-striped boring or room. Several documented accounts of the...