A 20 gauge shotgun is roughly . 62 caliber so either a slug or a load of buckshot ( 00 or 000) would be good choices to use for bear hunting. Of course you still have to hit the bear.
Will 12 gauge buckshot kill a grizzly bear?
Can a 12 gauge shotgun kill a bear? Yes, especially a smaller animal like a black bear, although it would probably do the job against a brown bear, a grizzly or even a Kodiak bear.
Will a 22 scare off a bear?
22s can kill things like bears, short of brain and spinal cord shots, the . 22 may not incapacitate the bear quickly enough.
Will a 12 gauge slug kill an elephant?
For example, you could certainly kill an elephant with a 12 gauge slug, or a . 223, if you put one in an eye, or an ear, or another vulnerable spot, from a few feet or yards away. And even if it takes hours, or even days, to die, the animal is still dead.
Will 00 buck stop a bear?
Also, their first round is generally 00 buckshot, followed by slugs. Their reasoning is the 00 buck will not kill the bear, hopefully it will hurt it enough to turn it away from charging. If the 00 buck doesn’t turn the bear, the 12ga slugs will kill it.
Can I shoot a bear if it attacks me?
Firearms are not recommended for stopping an attack.
Using a firearm during a bear attack may only worsen the attack. An injured bear will be more aggressive, especially during a fight.