The video is about 20 minutes, and goes over the details of semi and full auto fire. The semi-auto operation is the same as an AR-15, so if your wondering how one works, here’s your answer.
Incidentally, it looks like the army needs to work on gun safety, especially in regards to KEEPING THE FINGER OFF THE TRIGGER. Oh well.
Legal boilerplate: With a few very specific exceptions, converting an AR-15 to full auto is ILLEGAL. If you use this information to try it, don’t blame me when you get in trouble.
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[...] always love old government videos. Firearms & Freedom has an interesting video from the Army, dated 1966, describing the functoin of the XM16E1 weapon system, which would later be adopted as the [...]
the same with the important exception that the ar-15 lower does not have the auto -sear,,,