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Old 11-30-2011, 23:19   #1
3000fps
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9mm vs 45ACP literally lol

I had just got to thinking,

You take a 1911 and empty a full magazine into a perp in self defense, he has a 3.6 inch hole (cumulative) and 1,840 grains of lead embedded in his body.

You take an 18 shot M&P 9mm and empty a magazine into a perp in self defense, he has a (cumulative) 6.84 inch hole in him and 2,646 grains of lead embedded in his body.


What are your thoughts on this?
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Old 12-01-2011, 00:15   #2
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Meaningless...
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Old 12-01-2011, 07:10   #3
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Old 12-01-2011, 07:20   #4
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Quote:
Originally Posted by Merkavaboy View Post
Meaningless...
+1...

It will likely be over after only a couple of rounds fired.

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Old 12-01-2011, 07:24   #5
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Rerun that with a contemporary polymer .45 pistol, say like an XD45 (13+1), for a more meaningful comparison.
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Old 12-01-2011, 07:25   #6
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Would you ever really pump 18 shots into one perp?

Man, you want him good and dead. Not just dead.
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Old 12-01-2011, 07:28   #7
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Would you ever really pump 18 shots into one perp?
NYPD does it all the time.
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Old 12-01-2011, 09:18   #8
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I'm going to have to correct some math issues here. Hope I get it right.

8 45ACP have a combined cross sectional area of 1.28 square inches. That would equate to a single hole with a diameter of 1.28 inches.

18 9mm equals 1.78 square inches or a single hole diameter of 1.51 inches.

And the attacker may have no lead in his body if it comes out the other side.
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Old 12-01-2011, 12:16   #9
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Too much time on your hands...
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Old 12-01-2011, 12:39   #10
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Originally Posted by HexHead View Post
NYPD does it all the time.
They fire that many at the perp, they don't put that.many into the perp
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Old 12-01-2011, 12:47   #11
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Quote:
Originally Posted by 3000fps View Post
I had just got to thinking,

You take a 1911 and empty a full magazine into a perp in self defense, he has a 3.6 inch hole (cumulative) and 1,840 grains of lead embedded in his body.

You take an 18 shot M&P 9mm and empty a magazine into a perp in self defense, he has a (cumulative) 6.84 inch hole in him and 2,646 grains of lead embedded in his body.


What are your thoughts on this?
1st Thought: If the guy is standing still long enough to shoot him with 9 rounds of .45 ACP you're probably hitting the wrong spot.

2nd Thought: If the guy is standing still long enough to shoot him with 18 rounds of 9mm you're probably still hitting the wrong spot.

3rd Thought: Shot quality over quantity. Placement matters no matter the caliber.
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Old 12-01-2011, 12:49   #12
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You will have a lot of prison time to think that over after pumping that many additional bullets into a corpse. In reality - it will be the first few rounds that will decide the outcome of the fight. And bigger is better in this case. Cheers.
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Old 12-01-2011, 12:49   #13
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Quote:
Originally Posted by cpelliott View Post
I'm going to have to correct some math issues here. Hope I get it right.

8 45ACP have a combined cross sectional area of 1.28 square inches. That would equate to a single hole with a diameter of 1.28 inches.

18 9mm equals 1.78 square inches or a single hole diameter of 1.51 inches.

And the attacker may have no lead in his body if it comes out the other side.
If my math is right 8 12 ga slugs would leave 3.25 square inches.of holes.

And no lead in them because they all would pass through.

So I'll take an12 ga with slugs.
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Old 12-01-2011, 13:43   #14
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Quote:
Originally Posted by 3000fps View Post
I had just got to thinking,

You take a 1911 and empty a full magazine into a perp in self defense, he has a 3.6 inch hole (cumulative) and 1,840 grains of lead embedded in his body.

You take an 18 shot M&P 9mm and empty a magazine into a perp in self defense, he has a (cumulative) 6.84 inch hole in him and 2,646 grains of lead embedded in his body.


What are your thoughts on this?
I'll play. Sure, IF you could land all 18 vs 9, then it might mean something, like getting hit w/ a SG blast of #4 buck instead of 1 or 2 22lr. Maybe look at it as I do; at best one can expext to land 1-2 hits on a BG in a gunfight w/ both BG & shooter moving, low light, etc. So I want the biggest holes I can get, that is more times than not going to happen w/ a bullet starting out 28% larger.
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Last edited by fredj338; 12-01-2011 at 13:45..
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Old 12-01-2011, 23:39   #15
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Quote:
Originally Posted by Electrikkoolaid View Post
Rerun that with a contemporary polymer .45 pistol, say like an XD45 (13+1), for a more meaningful comparison.
I'll see your 13+1 and raise you this

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Old 12-02-2011, 07:45   #16
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Although such an edge clearly exists, its significance cannot be quantified
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Old 12-02-2011, 11:56   #17
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Quote:
Originally Posted by vafish View Post
They fire that many at the perp, they don't put that.many into the perp






Well Said !!!






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Old 12-02-2011, 11:59   #18
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Originally Posted by Merkavaboy View Post
Meaningless...

agreed. you assume the one with the 45 uses less rounds than the 9. why change the amount of trigger pulls?
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Old 12-04-2011, 13:05   #19
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Too much time on your hands...
Coming from the guy with 1,900 posts lol.
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Old 12-06-2011, 08:56   #20
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I'm thinking the shooter could have stopped at 4 or 5 rounds with more practice.
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Old 12-06-2011, 10:48   #21
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To the OP.

First, I like the thought process. Thinking outside the box is good for the brain.

Second, are you shooting at someone that is already dead?

Third, You have 190 post since august of this year. 9mm has 1900 since March of 2005. Comparitively speaking, you have more time on your hands.

Fourth, I can't believe I wasted my time not only reading this but also replying to it.

That's all.
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Old 12-08-2011, 06:12   #22
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You need to factor in penetration depth.

I have actually thought about such an approach when it comes to shotgun buckshot loads, but never for pistols.
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