Quote:
Originally Posted by Aleks
The US army actually does not have fill auto on their weapons. There is little advantage other than a waste of ammo and a need to reload more often. They do have burst mode. Canadian c7's do have full auto tho. Most guerilla or insurgent forces have off the shelf ak's which are full auto select fire capeable
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The US Army utilizes full auto on their M4A1. Primarily because they now realize burst fire trigger pulls are worse for accuracy than controlled fire trigger pulls on an automatic weapon.
I've also read, though I don't know how accurate it may be, that there are more causes for current use M16A2s being semi-auto and burst fire only than ammo concerns. Namely, barrel heating issues.