M16 service
Although the m16 was designed and manufactured in 1956 it was put into united states military service in 1963 over the year it has changed in design dramatically but he function has only had some minour tweaks.
underneath is a picture of the m16 when it was first put into service in 1963.
underneath is a picture of the m16 when it was first put into service in 1963.
Above on the right is a picture of the internal design and firing mechanism for the m16 platform.
below is a picture of the m16a3 which is the standard issue for the United states forces for this current time.
As you can see the exterior design has had some large design changes since it was put into military service, therefore it has become more mobile for the opperator.