Ballistic test: .44 mag from a carbine and 10mm 135 gr cast bullet
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Ballistic test: .44 mag from a carbine and 10mm 135 gr cast bullet


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Old 08-16-2014, 04:51 PM   #1
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Default Ballistic test: .44 mag from a carbine and 10mm 135 gr cast bullet



.44 mag Winchester 240 gr JSP fired from Marlin 1894 carbine into calibrated gelatin and calibrated tactical rain water.

BB: 594.1 fps, 3.4"

Gelatin test data:

Impact velocity: 1,848 fps
Penetration: 21.1"
Retained weight: 231.4 gr
Max expansion: 0.711"
Min expansion: 0.732"

Sorry about the cross section of the wound channel. This load really crushed the block and caused a substantial amount of disruption, especially in the first 10" or so. When I cut into the block for the cross section photo it practically fell apart. The photo really doesn't do justice to the damage that was done.






10mm 135 gr Mihec 10:1 lead/tin alloy over 12.5 gr SR 4756 fired from 4.25" barrel S&W 1076 through four layers of denim into calibrated gelatin.

BB: 594.1 fps, 3.4"

Gelatin results:

Impact velocity: 1,548 fps
Penetration: 7.1"
Retained weight: 73.0 gr
Min Expansion: 0.651"
Max expansion: 0.708"

We fired a few rounds over a chronograph with the same powder and alloy but different charge weights and these are the velocities we got:

11.0 gr 1,512 fps
11,5 gr 1,484 fps
12.0 gr 1,568 fps
12.5 gr 1,610 fps
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Old 08-16-2014, 06:12 PM   #2
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Perfect expansion with the .44
You should sell that tactical rain water. There's a sucker born every minute.
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Old 08-16-2014, 07:10 PM   #3
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I was just thinking...that tactical rain water would be great in my B.O.B.
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Old 08-16-2014, 07:13 PM   #4
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Those are interesting results. Did you just fire one round of each charge? Or were those average velocities? I noticed that 11 grains was faster than 11.5. Were they all the same type of brass?
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Old 08-17-2014, 04:07 PM   #5
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Just one round at each charge weight to verify that the primers weren't showing crazy pressures.
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