Will a 30-30 Kill a Grizzly Bear?

30-30 Winchester is UNDERKILL for grizzly or brown bear hunting, under average conditions, from a mid-range distance, with a medium grain expanding bullet, and with correct shot placement. ... In this case, the average weight of an adult male grizzly or brown bear is approximately 595 lbs.

What caliber is needed to kill a grizzly bear?

While big bore rifles are ideal, even a . 308 will work. The velocity, penetration, and damage will be head and shoulders above any handgun as long as you pick some good bonded or monolithic bullets like Federal Trophy Bonded or Barnes TSX.

What size gun will kill a grizzly bear?

44 Magnum is the minimum for charging bears, many others have opted for a Glock 20 in 10mm Auto and, interestingly enough, passed right by the . 357 S&W Magnum. Several folks have even successfully killed bears with a 9mm.