I can't see air pressure doing the damage we see in the op's pic. This gun got ran over or something, by a tracked vehicle, or something very heavy fell on it. The second a tiny crack is introduced, all pressure vacates. Go watch any tubing burst from pressure.. it don't look like this.. Very entertaining read tho.
@EDgun Not everyone in the West is as confused as you seem to think we are. I will admit tho, that our media outlets are doing a superb job at exploiting a very small minority in our population.