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Old 01-05-2009, 12:26 PM   #1
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Default What's the difference? .357, .45, .40, .38, 9mm?

I was wondering if someone could break down the differences of each:

.357

.44

.45

.40

.38

9mm

etc.

For example. I was told that the 9mm was a high velocity round (1200 ft per second) and was small, would enter and exit a person but not stop them very well. Where as a .45 is about (800 ish ft per second) but would not exit and hit a person like a ton of bricks and stop/drop them much more effectively.

I also would like to know the difference in accuracy, and penetration of other things such as walls, metal etc. I was told by a Sig rep that the .40 cal was one of the worst rounds for a car, because unlike a 9mm it would not penetrate it.

I also hear so much about say... a .44 Magnum being a BIG gun (not in terms of size but power) so why is a .44 more powerful than a .45? or why is a .357 more powerful than a .45 etc.
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Old 01-05-2009, 12:32 PM   #2
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calibur means the size of the bullet (the piece that actually exits the gun), but each calibur can have different amounts of powder behind it, the amount of powder available to ignite, thus creating the gases that propel the projectile has alot to due with why a smaller calibur projectile can cause more or less damage than a larger calibur
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Old 01-05-2009, 12:52 PM   #3
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If you post your question over on SSU's firearm section you'll get more info than you'll know what to do with.
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Old 01-05-2009, 12:52 PM   #4
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Quote:
Originally Posted by horist View Post
calibur means the size of the bullet (the piece that actually exits the gun), but each calibur can have different amounts of powder behind it, the amount of powder available to ignite, thus creating the gases that propel the projectile has alot to due with why a smaller calibur projectile can cause more or less damage than a larger calibur
Ok so compare and contrast?
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Old 01-05-2009, 12:56 PM   #5
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Quote:
Originally Posted by horist View Post
calibur means the size of the bullet (the piece that actually exits the gun), but each calibur can have different amounts of powder behind it, the amount of powder available to ignite, thus creating the gases that propel the projectile has alot to due with why a smaller calibur projectile can cause more or less damage than a larger calibur
Get a Glock31 with a sig .357 round... over 1350fps on velocity and it far out performs my S&W MP.40cal that I used when I was on duty. You better be an accurate shot though!
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Old 01-05-2009, 12:58 PM   #6
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if you hold a .44 cal bullet and a .45 cal bullet next to each other, you will see that they have basically the same diameter but the length of the shell is much longer on the .44 cal which allows alot more powder. All that adds up to a ballsier bullet
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Old 01-05-2009, 01:44 PM   #7
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.357: magnum version of a .38, high velocity (good loads are higher than 1220fps from a 4" gun), accurate, decent stopping power if used with a good bullet that will expand and not overpenetrate, very loud and hard on the ears with a good bit of recoil and high muzzle flash

.44: larger caliber magnum, I'm not all that familiar with it, but it would prolly be good if you need to drop a bear haha

.45: fat, slow, cheap to shoot, medium recoil, loud but generally regarded as less harsh on hearing than say a .357 and also having more tolerable muzzle flash

.40: don't know enough to comment, never interested me much...but IIRC its an inbetween type between the 9mm and .45

.38: think 9mm but slower and less harmful in the long run for the most part, good for plinking and practice in a .357mag revolver since the gun will fire both, low recoil, low muzzle flash, and considerably more quiet than .357 or .45

9mm: cheap, small, fast, accurate...allows you to pack more rounds in the same or smaller size gun, with good ammo it can be a decent stopper and if nothing else you get about twice as many tries so you can theoretically hit the target with more successive shots

I'm not an expert but those are my educated opinions based on experience combined with what general knowledge I've come about...I own a 9mm, .45, and .357mag, have toyed some with a .44 my uncle has.

And as a side not if you're looking for a bedroom or home protection gun, dismiss them all and get a 12 gauge shotgun with a short barrel and load it with #4 buckshot, waking up in a dark house and trying to fire a pistol will leave you temporarily blind, temp and even possibly permanently deaf, and unless you hit what your aiming for possibly dead

If anyone feels free to disagree, this is just my $.02
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Old 01-05-2009, 03:26 PM   #8
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also you have to look at the TYPE of round your shooting...slugs are very different from hollow points...etc

and .40's by the way are the womens .45 round......
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Old 01-05-2009, 03:53 PM   #9
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I use a Benelli M1 Tactical 12Ga.. it'll ****** stop a Car..that's a man's gun.
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Old 01-05-2009, 04:09 PM   #10
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Quote:
Originally Posted by staringback05 View Post
also you have to look at the TYPE of round your shooting...slugs are very different from holly points...etc

and .40's by the way are the womens .45 round......
yeah, I just assumed high quality hollow points, since the OP didn't say what he wanted to use it for
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Old 01-05-2009, 05:12 PM   #11
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Zombies, ninjas, rabbid dogs, zombies and ninjas IN CARS with rabbid dogs in the back, intruders anddd I think I covered it.
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Old 01-05-2009, 05:31 PM   #12
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shoot through a car? Get a rifle round..

Home defense: Remington Marine mag, M1, Mossberg 500...

I carry a .40. My glock holds 13+1 and if I can't stop an attacker with 14 rounds, then I shouldn't have had the gun at all.
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Old 01-05-2009, 05:56 PM   #13
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You must have a 23 then
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Old 01-05-2009, 06:13 PM   #14
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Click the image to open in full size.
From left, 9mm, .45 ACP, M855 'Green Tip' and M80 bullets are seen next to a standard AAA battery.

Click the image to open in full size.
Left to right. .22 LR, 9mm, .45 ACP, 5.56/.223, 6.5 Grendel, 6.8 SPC, 458 SOCOM/250, .458 SOCOM/500, 7.62/.308, .470 Rhino, .500 Phantom, down in front, .50 BMG.
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Old 01-05-2009, 06:44 PM   #15
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Quote:
Originally Posted by StoleIt View Post
Click the image to open in full size.
From left, 9mm, .45 ACP, M855 'Green Tip' and M80 bullets are seen next to a standard AAA battery.

Click the image to open in full size.
Left to right. .22 LR, 9mm, .45 ACP, 5.56/.223, 6.5 Grendel, 6.8 SPC, 458 SOCOM/250, .458 SOCOM/500, 7.62/.308, .470 Rhino, .500 Phantom, down in front, .50 BMG.
I'm talking about handgun ammunition
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Old 01-05-2009, 07:47 PM   #16
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All the real gangsters around here prefer the .45 cal for it's stopping power.
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Old 01-05-2009, 07:53 PM   #17
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Quote:
Originally Posted by Sp00led Ya View Post
You must have a 23 then
Yes, and I like it a lot. My mother owns one as well.
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Old 01-05-2009, 08:07 PM   #18
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Quote:
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Yes, and I like it a lot. My mother owns one as well.
I like it because it's potent, carries enough ammunition, is tough and CHEAP. I see used with night sights at $435.00 in great shape
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Old 01-05-2009, 08:12 PM   #19
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Get a dessert eagle
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Old 01-05-2009, 08:42 PM   #20
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you know google/wikipedia can answer all your questions about these calibers right?
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Old 01-05-2009, 08:42 PM
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