Who invented m 16 rifle?
The principal designed was Eugene Stoner.
Eugene Stoner is given credit for creating the automatic rifle system that evolved into the M16. As with any prototype, there were several problems that needed to be overcome to produce a dependable rifle, the AR15/M16 is no different. There have been hundreds of modifications & improvements made to the weapon by hundreds of people, even to this day people are personalizing & modifying the weapon system.