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View Poll Results: 10mm vs .357
10mm with 220 gr Double Tap HC's 57 45.24%
.357 with 180 gr Buffalo Bore HC's 69 54.76%
Voters: 126. You may not vote on this poll

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Old November 6, 2012, 11:34 AM   #26
Nanuk
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Very interestingly, if one takes the Hornady 500-grain .458 diameter solid bullet and compares the penetration that results from impact speeds varying from about 1500-fps to 2500-fps, one finds that the higher impact speeds produce the least penetration. When driven to about 1500-fps (as the 45-70 will do) one finds that such solids produce nearly 6-feet of penetration in wet newspapers. When the same bullet is driven to about 2100-fps (as is characteristic of the 458 Winchester Magnum) one finds that the penetration is reduced to about 4 to 4 and 1/2 feet.
Elmer, This was further down in the article. There are other things happening besides penetration. That sort of energy is not "wasted" and 4 1/2 feet of penetration is good for anything on this continent.
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Old November 7, 2012, 01:40 PM   #27
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So the question is *really* which trail gun in bear country?..

I voted .357.

In the loads you specified, the .357 has better SD by a little bit: .202 vs .196

But methinks you're way more likely to have the little Ruger on you in a place you can get it out and deploy it easily and more quickly than the big Witness.

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It takes a second to take off the safety on a semi. In the same amount of time I could have already had a shot off with my revolver.
I think you already answered your own question on this, though.
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Old November 9, 2012, 01:53 AM   #28
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tote it

The G20 will carry easier, most likely. Flatter, likely not as many sharp edges. And I'll go out on a limg and say the G20 will take more abuse.

Depending on what variety of .357 you have.......the G20 may be more compact and lighter.

A trail revolver needs a compact grip, sturdy fixed sights, few sharp edges.
Adjustable sights are prone to get goobered, and the big N-frame and SA revolvers can be very heavy.

My 629 Mtn got retired as a woods pistol, as did my Ruger B-hawk, by my G20. Easier to carry, and over twice as much ammo w/o need for a reloading device.
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Old November 9, 2012, 03:30 AM   #29
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I'm torn, I just got my new Glock 20SF with a Lone Wolf long slide along with the 6.61" threaded barrel mounted a compensator.

I feel, first, it has a 15 round mag, I like that. My S&W 627 and 327 has only 8 rounds. My Glock has much of a better balanced feel loaded to 15+1, it's lighter and easier to carry even with the LS and comp.

If I want to carry a big heavy bulky revolver, I'll carry a Ruger Redhawk 5.5" 44mag.

I also bought a 6" 9X25mm Dillon barrel that drops right in. That's a formidable cal to the .357.
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Old November 9, 2012, 11:57 AM   #30
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As has been mentiones already it doesn't matter if your gun can hold 100 bullets you'll be lucky to get 3 shots off if a bear charges. I'd carry the gun I was more proficient with since the 357 magnum and 10mm are pretty much ballistic twins.
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Old November 9, 2012, 12:23 PM   #31
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I realize this is a bit off topis so please forgive me, but not living in bear country I don't a whole lot about the needs of a cartridge to take one down.

however, I've been under the impression that penetration is of paramount importance in comparison to anything else.

In that case, why aren't rounds like 7.62x25 and other slightly obscure but great penetrators looked at more often?
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Old November 9, 2012, 12:54 PM   #32
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Bigger hole and more choices in bullets than the 7.62x25. Besides I can find .357 and 44 mag everywhere. My other favorites 44 spcl and 41 mag are harder to find in my area just like the 7.62x25 is.

As for choice of gun if I wanted to carry a pistol it's 10MM hands down but I'm also a revolver guy and more prone to carry one in the woods so anything between .357 and 44 mag is good by me.
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Old November 9, 2012, 04:13 PM   #33
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I carried a gun as back up to bear sparay. When I was in the places where I might happen to meet up with an agressive bear.

I would use the spray first. Better chances of not only a hit, but of the bear leaving as well. The gun would be for the event of running into another bear on the way out.
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Old November 9, 2012, 05:32 PM   #34
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7.62x25

The old Russian round is noted for defeating body armor, but I'm not sure I'd use it on real bears.
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Old November 9, 2012, 06:02 PM   #35
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Elmer, This was further down in the article. There are other things happening besides penetration. That sort of energy is not "wasted"
At rifle velocities? Indeed.

Hand gun velocities? The energy levels are irrelevant.
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Old November 9, 2012, 06:13 PM   #36
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they are twins no real difference. Ones in auto other is in revolver that's the only real difference.
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Old November 9, 2012, 09:10 PM   #37
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Quote:
Originally Posted by RedBowTies88:
I realize this is a bit off topis so please forgive me, but not living in bear country I don't a whole lot about the needs of a cartridge to take one down.

however, I've been under the impression that penetration is of paramount importance in comparison to anything else.

In that case, why aren't rounds like 7.62x25 and other slightly obscure but great penetrators looked at more often?
Other than the smaller cross-section of such rounds, I am guessing that their relative obscurity has a lot to do with it, too.
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Old November 9, 2012, 09:34 PM   #38
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Glock 20....but I'd probably go with Underwood's 220 gr Hard Cast Flat Nose loading. It actually clips along at it's published speed.
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Old November 10, 2012, 09:16 AM   #39
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I go with the .357 hard cast for better penetration.
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Old November 10, 2012, 09:53 AM   #40
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I would take a 10mm auto over even a 44magnum. 16 rounds in a easy to shoot gun is a no brainer. As a hunter that has killed many whitetail with handguns. A 10mm has more knock down power than the 357magnum. I won't use a 357mag anymore on deer and most professional handgun hunter agree and consider the 357mag a very marginal caliber for deer hunting.
I can't believe anybody that has hunted with the two calibers would even debate the two.
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Old November 10, 2012, 10:57 AM   #41
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I ama 357 fan boy but generally speaking I feel from a pistol the 10mm is typically slightly better. While there is exceptions such as Buffalo Bore generally this is true.
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Old November 10, 2012, 06:29 PM   #42
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Originally Posted by Mystro:
A 10mm has more knock down power than the 357magnum.
How much more "knock down power" does the 10mm have than the .357 Magnum?
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Old November 10, 2012, 06:42 PM   #43
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^ Objectively less, subjectively more. The 10mm guys should just accept the fact that it is a good choice but just leave the .357 out of it, and really leave the .41 mag out of it.
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Old November 10, 2012, 06:58 PM   #44
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Originally Posted by jmortimer:
^ Objectively less, subjectively more.
OK, but that still doesn't answer the question- How much more (or less) "knock down power" does the 10mm have than the .357?
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Old November 11, 2012, 12:27 AM   #45
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In a firefight I would like the bad guy to have a 357 magnum and I'll take my G20 with Longslide . Faster followup shots and when he is reloading, I'll pop him like a zit.
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Old November 11, 2012, 07:48 AM   #46
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I don't own a 10 MM. But I do own 357 MAG.& 40 SW. .If you don't reload they say the newer 10mm ammo .Is equal to the 40 sw .So they say I like them equally.
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Old November 11, 2012, 07:53 AM   #47
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In a firefight I would like the bad guy to have a 357 magnum and I'll take my G20 with Longslide . Faster followup shots and when he is reloading, I'll pop him like a zit.
Who say's he has to reload? If he is a good revolver shooter and uses proper tactics you may be in for a surprise.
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Old November 11, 2012, 08:01 AM   #48
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https://www.buffalobore.com/index.ph...duct_list&c=20


https://www.buffalobore.com/index.ph...duct_list&c=24


Pick your poison, they are very close. If using similar construction at similar velocity I am sure that .041 of an inch (or less than 1mm) is going to make a tremendous difference in "Stopping Power".


Which gun do you shoot better? Which one do you prefer to carry? Though I am a 357 Mag fan I do like the extra capacity the Glock offers, however, in a hunting scenario capacity is irrelevant.
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Old November 11, 2012, 10:40 AM   #49
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The .357 has more energy, better SD, better penetration for the 10th time. There is no factory 10mm gun/ammo that will outdo a 4" .357 with 180 grain bullets from Buffalo Bore.
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Old November 11, 2012, 10:42 AM   #50
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OK, but that still doesn't answer the question- How much more (or less) "knock down power" does the 10mm have than the .357?
Neither one has knockdown power. You are looking at it from a skewed perspective, both are good, which one do you shoot better with?
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