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Defensive Ammunition & Ballistics Discussion of defensive and concealed carry ammunition, ballisitics and reloading.

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Old February 21st, 2008, 02:52 PM   #1
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.380 vs. .38 +P

Does anyone know which has the grater amount of stopping power?
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Old February 21st, 2008, 03:00 PM   #2
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Check out the following

Handloads.Com - Stopping Power
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Old February 21st, 2008, 03:12 PM   #3
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No doubt a .38+p has way better stopping power.
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Old February 21st, 2008, 03:15 PM   #4
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thanks, that's definitely going to become bookmarked, but does anybody know about the joules (in general) of either bullet
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Old February 24th, 2008, 11:21 AM   #5
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To calculate energy (in ft-lbs, not joules, sorry) for any bullet:

Weight in grains * velocity in FPS * velocity in FPS / 450240

For example,
92 gr * 900 FPS * 900 FPS / 450240 = 165 ft lbs
158 gr * 1000 FPS * 1000 FPS / 450240 = 351 ft lbs
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Old February 24th, 2008, 12:23 PM   #6
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Ft/lbs don't stop an attack. You need a nice, wide tunnel through the CNS for that. The .38 Special is your clear choice here.
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Old March 2nd, 2008, 12:26 PM   #7
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Quote:
Originally Posted by Shizzlemah View Post
To calculate energy (in ft-lbs, not joules, sorry) for any bullet:

Weight in grains * velocity in FPS * velocity in FPS / 450240

For example,
92 gr * 900 FPS * 900 FPS / 450240 = 165 ft lbs
158 gr * 1000 FPS * 1000 FPS / 450240 = 351 ft lbs
No need to calculate. Federal has free software on their site (2007 Interactive Ballistics Catalog) that will compare and graph velocity and energy for all of their loads. It's a great resource.
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Old March 2nd, 2008, 06:23 PM   #8
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Regular load .38 special far outshines the .380.
Plus P .38 special blows it away, not even close!
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Old March 2nd, 2008, 06:46 PM   #9
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A .38 special can "bury" the .380 ACP... if fired from a 20" lever action carbine.

My point?

Let's first ask the person... using which specific platform?

Too many answers and not enough questions.

Are we talking about comparing a Bersa 380 with an S&W ultra-lite with LESS than 2" barrel?

No part of a firearm stands on its own merit and the most important part is the person who uses it.

Has the person ever fired a 2" revolver with +p "kick hard but also rip your hand off" recoil?

It's the package deal we should look at. Imagine try to shoot a .45 ACP... using the "platform" of a KT 380 or the new Ruger LCP?

How many shots can YOU get off?

And would you hit or would you miss?

Just wanted to point this out to the original poster.

You still have other questions that need to be answered before you can get a fair answer on which one has a "better" stop.

Just my opinion.
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Old March 2nd, 2008, 07:28 PM   #10
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Wow! And I thought all he was considering when he asked the question was, "assuming reasonable hits".
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