I did not say it was something like an m82. I just wanted to say I believe it wasn't a pistol.

There are handungs used for defense against brown bears, look at 10mm, or even 500 mag, 454 casull, you can shoot this from a handgun. It's very unlikely to be the case here but you wouldn't be able to tell just from the damages

https://youtube.com/shorts/JluEbL5H48o