When the M16A2 was adopted in the 1980s, it could be seen as a rushed product. While the U.S. military needed a new rifle with the faster 1:7 twist to fire the new NATO standard SS109 round, the ...

What I Liked. So, the M16A2 and A3 was like a warm blanket for me. This was before the days of optics, and we shot iron sights at the range. I loved range days and always shot well with the A2 and A3.