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.303" Wound Profiles (Bullet Penetration Comparisons)

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Alan De Enfield
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.303" Wound Profiles (Bullet Penetration Comparisons)

#1 Post by Alan De Enfield » Mon Jul 10, 2017 4:22 pm

Penetration By Calibre.jpg
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Re: .303" Wound Profiles (Bullet Penetration Comparisons)

#2 Post by Rapidrob » Mon Jul 10, 2017 6:56 pm

I've always wondered at what distance the rifles were shot to produce the wound channels?
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Re: .303" Wound Profiles (Bullet Penetration Comparisons)

#3 Post by Kevinofborg » Mon Jul 10, 2017 7:32 pm

When was that study done and what did they shoot into?

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Re: .303" Wound Profiles (Bullet Penetration Comparisons)

#4 Post by Hammerdown » Mon Jul 10, 2017 8:58 pm

Does the 7.92x57 tumble or do a 180 in the test medium? Look like it does by the shape of the wound channel.
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Re: .303" Wound Profiles (Bullet Penetration Comparisons)

#5 Post by Rapidrob » Wed Jul 12, 2017 7:24 pm

Most military FMJ bullets are base heavy. This causes the bullet to tumble when the bullet nose hits a target and bends causing the base to "jack-knife" and try to continue on the path of trajectory. This happens so fast that the kinetic energy is transferred to the target and the so called wound channel. The bullet looses most of its energy very quickly as it passes through the target.
There are many other factors as well.
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Re: .303" Wound Profiles (Bullet Penetration Comparisons)

#6 Post by Alan De Enfield » Thu Jul 13, 2017 3:55 am

Rapidrob wrote:
Wed Jul 12, 2017 7:24 pm
Most military FMJ bullets are base heavy. This causes the bullet to tumble when the bullet nose hits a target and bends causing the base to "jack-knife" and try to continue on the path of trajectory.
Absolutely - which is why the MkVII bullet has a lightweight aluminium (note correct spelling !!) tip. It was originally a wooden tip but this was banned by the Geneva convention (or some other convention - don't remember) as being a 'threat to health' as the wood could carry germs that would infect the wound.
Never mind that your arm has been 'blown off' - the wound may get germs in it - you couldn't make it up.
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Re: .303" Wound Profiles (Bullet Penetration Comparisons)

#7 Post by Rapidrob » Thu Jul 13, 2017 9:55 am

These bullets were originally designed by the French,stolen by the Germans,and used by most of the nations of the world after they had samples of them in hand and copied them. The basic French design was to make the bullet more lethal and travel farther,which they do.
The previous early rifles were using a cupro-nickle jacketed round nose bullet. While the bullet was very accurate and long,it was so stable in flight that unless it hit dense bone it did not tumble. The smaller the bullet diameter,the longer,more stable the bullet was in flight. The 6.5 caliber rifles: Carcano,Jap,Dutch,Greek,Portuguese were "drilling" holes through their opponents causing wounds that healed in a few weeks. When the Britt's fought the Italians they called the wounds from the 6.5 Carcano " Inny-Outies".
These round nose bullets did one thing very well,they penetrated the target very deeply. They went through the soldier doing little damage unless it hit bone.
I have done countless test on these bullets out to 500 yards on 1" thick steel plate.
What the 6.5 Carcano and Dutch round does is amazing. Both almost went through 1" plating at 300 yards.
This same bullet type was used to shoot President Kennedy in '63 and the so called "magic bullet" can and did penetrate he and Governor Connally with no problem and stay stable in flight ( to a point )
The worlds armies knew this and wanted to develop a more lethal bullet and they did as we all know.
The Italians developed the 7.35 bullet after seeing the wounds the Britt MK VII ball did to their troops. The bullet is basically a copy of the MK VII ball.
In later years the mid size 7.62x45 was to be loaded with a bullet that is a almost a direct shorter copy of our M-118 in .30, only lighter. This bullet performed well for us in Vietnam.
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Re: .303" Wound Profiles (Bullet Penetration Comparisons)

#8 Post by Ozzman » Thu Jul 13, 2017 10:01 am

Lesson here... don't get shot.
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Re: .303" Wound Profiles (Bullet Penetration Comparisons)

#9 Post by sowbelle » Thu Jul 13, 2017 7:48 pm

Lesson here... don't get shot.
Best thing I have read all day :shock: :shock: :shock: :lol: :lol:

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Re: .303" Wound Profiles (Bullet Penetration Comparisons)

#10 Post by Tommy Atkins » Fri Jul 14, 2017 8:44 am

One interesting thing I take away from the illustration is the total lack of any evidence of the MkVII ball projectile "tumbling on impact"!

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