So? That wasn't until 1963. Next, you forgot to read this post:
Here is what the AF ordered:
In May 1962, following tests led by Gen. Curtis LeMay, the U.S. Air Force officially ordered a batch of
select-fire ArmaLite AR-15s. This initial procurement paved the way for the rifle's widespread adoption and eventual redesignation as the M16. [
1,
2,
3,
4]
You understand what Select-Fire is, correct?
Using your criteria, you lied.