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Old January 11, 2011, 02:36 PM   #1
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Glock 10mm vs 45 acp?

So what is better the 10mm round or .45 acp?

I have heard the 10mm is a hunting/back wood defence gun.

What is the 10mm fps and .45 fps? also the grain's
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Old January 11, 2011, 02:44 PM   #2
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The .45 is a better carry weapon.
The 10mm might be ok for home defense - just be aware that the report is shockingly loud. While my sensitive ears can handle the occasional .45 or 9mm shot without ear protection, the 10mm is down-right painful (as I found out unintentionally)

The .45, 10mm, 9mm, .40 S&W, .38+P, .357, .44 magnum and a bunch of other rounds are all very effective at stopping bad guys.
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Old January 11, 2011, 02:45 PM   #3
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generraly the 10mm is for hunting and longer is a lot flatter shooting and more suitable for animals.
the grain is usually around 180 and fps is about 1350
i find over penetration a concern with this round for cc.
the .45 has been a proven man stopper for over 100 years and shows to be the most consistant 1 shot stop round out.
the grains range from about 185-230(there are other odd balls but those are the common weights.)
the velocity ranges from about 1100fps in the lighter bullets and 850 in the 230 grain.
hope this helps
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Old January 12, 2011, 12:42 PM   #4
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So what is better the 10mm round or .45 acp?
For what? Humans? Flip a coin! But the 10mm has more power, maybe!
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Old January 12, 2011, 01:26 PM   #5
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10 mm is good for animals (I think there are better rounds than a 10mm for woods like .41 mag or bigger)

.45 cal is not great against Big Monsters with thick skin, but it's like a hot dull knife through butter against humans. It will get in there and leave a mess in there.
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Old January 12, 2011, 01:58 PM   #6
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I quickly fell in love with the 10mm when I shot my first one about a decade ago. However, it is not a very well supported cartridge in the market, leaving it to a niche market. Ammo is often hard to come by, and typically expensive, making it more of a reloader's caliber.
However, with the Glock, you have the advantage of being ablto to buy a replacement barrel (and possibly recoil assembly) and shoot .40 S&W or .357SIG from the 10mm gun. All use the same size brass (though not in length) enabling the magazine and extractor to work on different ammo; you just need the right chamber and barrel, which can be bought for a little over $100, IIRC.

The .45, on the other hand, has long been among my favorite cartridges, and has a proven track record. Ammo is generally plentiful and among the least expensive you can buy. So long as you're gun will feed the ammo you have on hand (not usually a problem in Glocks) that .45-sized hole will do the job, just like it has for more than a century.

Personally, I find the .45 to be more practical, but I still can't ignore a good 10.
“There are three reasons to own a gun. To protect yourself and your family, to hunt dangerous and delicious animals, and to keep the King of England out of your face.” - Krusty the Clown
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Old January 12, 2011, 04:51 PM   #7
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Comparing apples to apples, the 10mm wins, but some people just prefer the .45, and there is nothing wrong with that.

This is from Doubletap, who loads there stuff on the Hot side...

.45 ACP
160gr. Barnes TAC-XP Lead Free 1200fps - 512 ft./lbs. - 5" 1911
185gr. Nosler JHP 1225fps - 616 ft./lbs. - 5" 1911

These are the only defense rounds I could find that they load in .45acp.

125gr. Barnes TAC-XP 125gr. @ 1600fps / 710ft/lbs- Glock 20
135gr. Nosler JHP 1600fps / 767 ft.lbs. - Glock 20
150gr. Nosler JHP 1475fps / 725 ft.lbs. - Glock 20
155gr. Barnes TAC-XP 1400fps / 675ft/lbs- Glock 20
165gr Remington Brass JHP 1400fps/ 718ft./lbs. - Glock 20
180gr. Controlled Expansion JHP 1350fps/ 728 ft/lbs- Glock 20
180gr. Nosler JHP 1305fps/ 681 ft/lbs- Glock 20
200gr Nosler JHP 1250fps / 694ft lbs. - 5"bbl
"Laws that forbid the carrying of arms...disarm only those who are neither inclined nor determined to commit crimes...Such laws make things worse for the assaulted and better for the assailants; they serve rather to encourage than to prevent homicides, for an unarmed man may be attacked with greater confidence than an armed man." - Thomas Jefferson, 1776
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Old January 12, 2011, 05:40 PM   #8
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10mm is no louder than other supersonic round I've fired.

As a reloader, I appreciate all of the cheap .40 bullets out there, which makes it less costly for me to reload 10mm than .45 ACP.

I typically shoot a 180 grain bullet at 1,200 fps from my Glock 20, which is about the performance I expect from the 175 grain Winchester Silvertips I usually carry. This load is only mid range by 10mm standards and nuclear when compared to.40 S&W. Recoil is on par with 158 grain .357 magnums at 1100 fps bullets from my K-frame Smith and Wesson. (Low bore axis for the G20 makes the difference here.)

Heaviest bullets are 200 grains typically fired around 1,200 fps, although some loads might exceed that. In order to match the penetration of that load a .45 ACP would need close to 230 grains moving at the same speed.

If your bullet is 12.5% larger, then you'll need 12.5% more weight to achieve the same sectional density.

Depending upon the load, you'll get better penetration from a 10mm pistol with greater magazine capacity than a .45 ACP. You'll find .40 S&W like loads, mid range loads like mine, and magnum level loads for hunting. You won't get anywhere near that kind of versatility from a .45 ACP.

Last edited by testuser; January 12, 2011 at 05:48 PM.
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Old January 12, 2011, 05:42 PM   #9
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I a'm a big 10mm fan,and have 4 . For carry the 45acp ,for hunting the 10mm or the 460 Rowland . The 460 Rowland will surprise you if you never saw or shot one . You can make a S&W M&P 45 a 460 Rowland buy reaming the chamber 1/16 longer or buy a 460 conversion barrel .You can turn a 1911 into a 460 Rowland with a Clark kit. 45acp mags work . Both the full power 10mm and 460 Rowland are good if you reload ,but ammo is pricey if you don't .FYI the 460 Rowland trumps the 10mm in power and velocity . My 10mm load is 180 grain jhp over 9.5 grains of Hodgdon Longshot at 1285 FPS out of a S&W1006 ,1389 fps out of a Glock 20 with a 6 inch KKM barrel,and 1351 fps of a Springfield Omega long slide ported 6 inch barrel . This is not a good carry round it WILL over penitrate up close .People have done better (faster ,more fps) with 800x powder ,but it meeters poorly with some chargers and you should weigh each load if you want to be safe .

Last edited by GONIF; January 13, 2011 at 05:18 PM.
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Old January 13, 2011, 02:10 AM   #10
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i carry a 21sf in 10mm

my main carry gun is a 21sf in 10, and i absolutely love it, i also reload and have loaded some pretty stout stuff for it, and i honestly dont feel the recoil or report to be anything to shy away from, its not any worse than the 45 in my book, with the double tap ammo in the 135 grain, the box sais 1608 fps, i crono it at closer to 1500. but easily managable, if your a reloader, id say shoot for the 10, its a wicked cartritge, if your not 45 is prolly a better bet. or even better... GET BOTH!!
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Old January 13, 2011, 11:51 AM   #11
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For the life of me ,I can not see the need for such velocity and power for a CCW defensive pistol . You will be up close 7 to 30 feet . Offense yes Defensive no . The risk of over penitration in an urban envirement is not worth the risk .
45acp 230 jhp is going to do the job without the risk .
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Old January 13, 2011, 02:46 PM   #12
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I CCW a Dessert Eagle .50AE

Just kidding
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Old January 13, 2011, 06:01 PM   #13
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Saguaro: Are you using a 10MM barrell in your G21? I have a G30 but have seen no listing for a 10MM barrell, in fact I read in another forum that to shoot the 10MM in a G30 you would need a complete 10MM top end.

I have the itch for a 10MM and if possible just the barrell for my G30.
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Old January 13, 2011, 07:13 PM   #14
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I don't think it's a factory barrel. I think he's got a conversion barrel and 10mm mag.
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Old January 13, 2011, 08:19 PM   #15
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Well someone was firing a 10mm next to me at the range once and it's well....

:barf: LOUD!

But I would love to try it out, haven't though. My only input is that it's loud as sin.
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Old January 13, 2011, 09:25 PM   #16
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shot placement!!!!
i carry a 1911 10mm, with double tap 165gr. quite nice
i also have a usp 45c
so i guess, which gun not caliber fits you the best?
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Old January 13, 2011, 09:29 PM   #17
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Both are good for killing things, but I like the 45 for all the reasons mentioned and that I am set up to load for it with tons and tons of supplies... That is why I have never bought a 10 mm.

the 10 i shot was much snappier than the 45 i usually shoot. they were out of comparable guns, so for me that is a consideration .
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Old January 13, 2011, 09:53 PM   #18
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I am in the same situation! Which one the 10mm or the .45 ACP? Maybe both hmmm..................
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Old January 14, 2011, 12:46 AM   #19
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You can buy the G21 and swap barrel and mags to shoot the 10mm when you want to have a blast (pun intended)

Or, you can buy the G20 and use a 40 cal brl to make ammo more affordable.
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Old January 14, 2011, 02:17 PM   #20
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i had the same problem trying to decide which one to go with... so i got one of each. The G20sf and the G21sf but that was before i found out you could get an aftermarket 10mm barrel for the 45 glock. Had i known that i probably just would've kept the 45 and got a 10mm barrel and mag for it. As far as which cartridge to go with you just gotta decide what your gonna do with it. If your gonna pack it in the woods for protection i'd lean towards the 10mm as it is capable of much more energy and penetration, however if you get a tougher spring and probably a barrel with a fully supported chamber you could shoot the 45 super loads from buffalo bore and those would probably work just about as well for animals as the 10mm. If your mostly concerned about home protection or concealed carry then you should probably lean towards the 45. Its been around forever and there is lots of ammo for it as opposed to the 10mm, but if you reload then the 10 is just as good a choice... ahhhh, you see why i got both?!
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Old January 14, 2011, 02:23 PM   #21
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10mm vs .45 ACP (11.5mm)

If you just want to know which one is better, and no other information is given, the answer is .45 ACP.

That is assuming that you just want to know which is better at doing what bullets are meant to do. The bigger hole wins.
A hit with a .45 ACP beats a hit with a .22 LR everytime. A hit with a .22 LR beats a miss with a .50 BMG everytime.
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