Even if you could, most off-the-shelf AR15s’ barrels would be glowing, the foreend melts and barrel starts to deform.
https://www.youtube.com/watch?v=Kzfm4pYhIyY
4:00 into video.
Interesting. 720 rounds (24 clips), full auto, jigged up, in just under 4 minutes, barrel grip burning. So, real world, it’s like 180 r/m for full auto, a heavy clip bag and a very hot hand. But, a semi-auto was used.
Enemedia minions know as much about guns as they do about the Holy Bible or real women.