Would a 10mm stop a grizzly bear?

Yes, 10mm is considered a capable handgun caliber for grizzly bear defense, especially with heavy, hard-cast bullets designed for deep penetration, offering better stopping power than smaller rounds like 9mm, though many still prefer the greater power of a .44 Magnum for ultimate grizzly defense, stressing the importance of practice and shot placement.
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Can a 10mm take down a grizzly?

The 10mm may be the perfect sidearm when a grizzly charges you. Three of the most practical bear back-up handgun cartridges available are: (from left) Buffalo Bore's 10mm Auto 220-grain hard-cast load, Garrett's .
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What size handgun can stop a grizzly bear?

POTENT PENETRATORS

However, surprisingly, with the right ammunition and good shooting, a 9mm pistol can stop a bear. Just ask Alaskan bear guide Phil Shoemaker, who had to shoot—stop—an attacking grizzly. He used Buffalo Bore's 9 mm+P Outdoorsman load that's topped with a flat-nosed, 147-grain hardcast bullet.
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What 10mm round for bear?

Underwood Ammo 10mm Auto 200 Grain Hard Cast

Offers deep penetration and is highly recommended for defense situations involving bears.
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What do Alaskans carry for bear defense?

A rifle of at least . 30 caliber or a 12-guage shotgun with slugs is recommended as defense against a bear. Alaska law makes provisions for shooting a bear in self defense if there is no alternative and the attack was unprovoked.
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Could You Defeat A GRIZZLY BEAR ???

What are the downsides of a 10mm?

There were four problems with the 10mm then that are still present today: The 10mm requires a large platform which is less convenient to carry than many 9mm Luger and . 40 S&W caliber pistols. The 10mm has more recoil and muzzle blast than the 9mm Luger, .
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Is 10mm or 45 better for bears?

For bear defense, the 10mm generally wins over standard .45 ACP due to its higher velocity and better penetration for reaching vital organs, offering more stopping power against charging bears, especially with hardcast bullets, though a hot .45 Super load can compete, while shot placement and proper ammo (heavy, hardcast) are paramount for both, with some users preferring 10mm for its ballistic edge and reliability in capable platforms like the Glock 20/40.
 
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What is the minimum caliber for a grizzly bear?

For grizzly bear hunting, the consensus minimum rifle caliber is around .30-06 Springfield with heavy, premium bullets (200-220 grain) for ethical kills, but many recommend more powerful options like the .300 Winchester Magnum, .338 Winchester Magnum, or .375 H&H Magnum for better penetration and stopping power, especially in defensive situations or for large brown bears. Handguns require at least a .44 Magnum or 10mm with heavy, hard-cast bullets, while shotguns with slugs (12 or 10 gauge) are also effective for defense.
 
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Will a .45 stop a grizzly bear?

Yes, a 45 ACP can kill a bear, but it has some significant flaws. First, it lacks the recommended striking energy to stop bears instantly. Second, it doesn't have many hard cast bullet options, so it will rarely penetrate deep enough to stop a charging bear.
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Is 10mm enough for a brown bear?

Yes, when properly loaded they can punch into a bear's skull to get the job done. But given a choice, I would pick a . 357 Mag. revolver or a 10mm pistol over a 9mm just about any day of the week.
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Why doesn't the FBI use 10mm?

The cartridge was later decommissioned (except for use by the Hostage Rescue Team and Special Weapons and Tactics Teams) primarily due to problems with the S&W 10mm issue pistols which were recalled in 1991.
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Is a 10 mm stronger than a 44 magnum?

No, the .44 Magnum is significantly more powerful than the 10mm Auto, delivering more muzzle energy and stopping power due to its larger, heavier bullet, but the 10mm offers higher capacity, less recoil in semi-autos like Glocks, and easier follow-up shots, making it a balanced choice for defense, while the .44 Mag dominates for large game hunting.
 
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How powerful is a 10mm pistol?

The 10mm Auto is among the most powerful handgun cartridges commonly chambered in semi-automatic handguns. Muzzle energy is nearly twice that of a 9mm and exceeds all but +P varieties of .45 ACP.
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Why did the FBI stop using 40 S&W?

In 2015, the FBI announced they were going back to 9mm ammunition, citing advancements in ballistic technology and increased accuracy in a gunfight. The FBI also found that .40 S&W rounds were causing excessive wear on pistols and were harder to control for some agents.
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How far away can a bear smell?

A bear's sense of smell is incredibly powerful, allowing them to detect food and other scents from over a mile away, with some estimates suggesting they can smell sources from up to 18-20 miles away, significantly better than bloodhounds, helping them find food, mates, or threats. For specific items like candy or toiletries, they can often smell them from 1-5 miles out, while polar bears can find seals under ice from a mile away, says a Reddit post on Awwducational and a Facebook post from the Grizzly & Wolf Discovery Center. 
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What guns do Alaskan guides use?

Alaskan guides use powerful rifles for big game and bear defense, favoring cartridges like the .300 Win Mag, .338 Win Mag, .375 H&H/Ruger, and the classic .30-06, often with premium bullets for reliability, while also carrying large-caliber handguns (like .44 Mag) or 12-gauge shotguns with slugs as close-range backup for unexpected bear encounters, prioritizing stopping power and shot placement.
 
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Is a 7mm rem mag enough for a grizzly bear?

When using quality bullets and with good shot placement, both the 7mm Rem Mag and . 300 Win Mag are excellent for hunting black, brown, and grizzly bear at all practical hunting ranges.
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What is the best gun to take down a grizzly bear?

The Super Redhawk Alaskan is essentially a chopped-down 2.5-inch barreled version. That makes it significantly more convenient to carry than the full-size model. Although there are a few bigger revolver cartridges out there, I consider the . 454 Casull to be a good top end choice for a bear defense handgun.
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What caliber is a 10 mm equal to?

10mm is the metric measurement for a handgun cartridge whose bullet diameter is effectively .40 caliber, meaning 10mm (.400 inches) is almost identical in diameter to the .40 S&W, just with a longer case, making it a powerful, larger cousin to the 9mm, offering more punch than standard rounds like 9mm or .45 ACP but with more recoil.
 
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Is a 357 more powerful than a 10mm?

The .357 Magnum is generally more powerful than the 10mm Auto, especially with hot loads, offering more muzzle energy and velocity due to its larger case, but the 10mm closes the gap significantly with premium defensive rounds, making both excellent, powerful cartridges for hunting and defense, with the .357 having an edge in raw power and the 10mm offering higher capacity in semi-autos, according to sources like Ammo.com and Berry's Bullets.
 
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What hits harder, 45 ACP or 10mm?

History, ballistics, and recoil aside, it's what you want to do with a handgun that really determines which cartridge is best. If you want to shoot recreationally, the 45 ACP is more comfortable, and ammo is more affordable, too. On the other hand, if you want to hunt big game, the 10mm hits harder and shoots flatter.
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What is a 10mm gun equivalent to?

A 10mm pistol is comparable to a powerful revolver round like the .357 Magnum or .41 Magnum in energy, offering more power than a .45 ACP but with similar capacity to a .40 S&W, making it versatile for defense, hunting, and even bear country, balancing high performance with manageable recoil in full-sized guns.
 
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Why did FBI stop using 10mm?

The FBI stopped using the 10mm Auto primarily because its full-power loads had excessive recoil, making fast follow-up shots difficult for average agents, and the pistols experienced mechanical issues; they initially downgraded the load (creating 10mm Light/ .40 S&W) but eventually transitioned to the 9mm, finding it offered better capacity and sufficient performance with modern ammunition, while the shortened .40 S&W offered easier handling and smaller grips for officers with smaller hands.
 
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Is 10mm deadlier than 9mm?

However, the 10mm begins with significantly more energy at the muzzle, and retains more energy out to 50, 100, and 200+ yards, so it could be argued that you have a better chance of any hits you make being “effective” with the 10mm compared to the 9mm.
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What pistol do Navy SEALs carry?

Navy SEALs historically used the SIG Sauer P226 MK25 as their standard sidearm for years, known for its reliability in harsh conditions, but they have transitioned to the lighter, more modern polymer-framed Glock 19, which offers better performance in saltwater environments and is lighter, though P226s are still found in use. SEALs often have broad firearm choice, but the P226 was the iconic choice, while the Glock 19 is the newer standard for its practical advantages.
 
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