Depression
You can, but, why would you?
No, he shot himself in the stomach (anyone wanting to kill themselves would shoot themselves in the head) more as a plea for help.
NO! Attempting to would be HIGHLY DANGEROUS!
No, you cannot, and attempting to do such would be extremely dangerous.
Anyone who has a firearm should take a gun handling and safety course. Guns don't shoot themselves.
The M82 is not an assault rifle. Effective range is 1,800 m (5,906 ft). Its maximum range is about 4 miles, but it would not be accurate.
Here is the long punchline: The enemy was fast approaching, threatening him and his party! But like Daniel Boone, this river guide came prepared! He would use his rifle to shoot the rapids!
Theoretically possible out to a mile. 200 yds would be stretching it though
Yes, as long as you have a rifle with you or a crossbow as long as you shoot it from a good distance.
Anyone who wants to express themselves visually.
100 to 500, if in great condition. I would check the condition before firing, just to be safe.
I would recommend a 223 or a 243 rifle or a 28 Gage shotgun.