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Old 03-18-2014, 20:51   #1
Andrew Wiggin
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Buffalo Bore 155 gr TAC-XP & 195 gr Mihec soft alloy gel results

10mm Buffalo Bore 155 gr TAC XP fired from 4.5" barrel EAA Witness through four layers of denim into calibrated gelatin.

BB: 600.5 fps, 3.5"

Impact velocity: 1,376 fps
Penetration: ~14"
Retained weight: 154.4 gr
Max expansion: 0.696"
Min expansion: 0.514"

If you look closely, you'll see a bee land on the denim just before the shot and you can see the bullet exit the top of the second block and roll back toward the chronograph. That's why the penetration figure is approximate. I saw the bullet drop to the ground when I shot but I thought it had bounced off the second block until I reviewed the video.


10mm 195 gr Mihec (shallow pin) 20:1 lead/tin loaded over 9.6gr Blue Dot fired from 4.25" barrel S&W 1076 through four layers of denim into calibrated gelatin.

BB: 600.5 fps, 3.5"

Impact velocity: 1,026 fps
Penetration: 23.1"
Retained weight: 196.0 gr
Max expansion: 0.423"
Min expansion: 0.407"


Videos available on my YouTube channel: https://www.youtube.com/user/chopinbloc
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Just here for the 10mm death ray talk.

A whole mess o' 10mm (and a few other caliber) ballistic tests here:
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Old 03-21-2014, 20:03   #2
Slateman
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TAC-XP are the all copper bullets, right?
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Old 03-21-2014, 20:22   #3
Taterhead
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Yep. All copper.
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Old 03-21-2014, 20:24   #4
Taterhead
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Nice, Andrew. Thanks. That BB load looks pretty nice.
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Old 03-21-2014, 22:46   #5
Andrew Wiggin
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My pleasure. Don't forget to "like," share and subscribe.
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Just here for the 10mm death ray talk.

A whole mess o' 10mm (and a few other caliber) ballistic tests here:
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Old 03-22-2014, 11:03   #6
Slateman
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Looks like the petals may have folded back a bit more than you'd expect with a lead JHP
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Old 03-24-2014, 20:41   #7
ctious
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Really need to get the mihec one up to speed. It's not real 10mm till it's close to or over 1200fps for that bullet. Right now your showing more or less what a 40sw will do with that bullet.
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Old 03-24-2014, 21:19   #8
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Quote:
Originally Posted by ctious View Post
Really need to get the mihec one up to speed. It's not real 10mm till it's close to or over 1200fps for that bullet. Right now your showing more or less what a 40sw will do with that bullet.




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Old 03-24-2014, 22:17   #9
Andrew Wiggin
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I would be surprised if .40 S&W could get a 195 gr bullet moving at 1,000 fps.

But yes, I think we can get it moving another 100 fps.
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Just here for the 10mm death ray talk.

A whole mess o' 10mm (and a few other caliber) ballistic tests here:
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Last edited by Andrew Wiggin; 03-24-2014 at 22:19..
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Old 03-25-2014, 14:41   #10
ctious
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Quote:
Originally Posted by oldman11 View Post
What's so funny? Spec on 10mm is a 200 gr jacketed at 1200fps. Now we are talking cast here. Much faster than jacketed. Lead is always faster at lower pressure than jacketed.

Hitting 1000fps with the 195gr cast is easy to do in the 40sw. Over on cast boolit forum in the group buy results for this custom boolit guys are using not even max load data and running 1000 fps in 40sw.
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Old 03-25-2014, 19:03   #11
Andrew Wiggin
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Good to know. I'm not real familiar with cast loads.
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