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.380 Mk2z

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.380 Mk2z
31 January 2017, 21:58,
#3
CharlesHarris Away
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RE: .380 Mk2z
From testing done at AFIP for NIJ the 158-grain LRN .38 Special typically flips 180 degrees after about 8" penetration in gelatin and continues base-first, stopping in 20-24". The .22 LR 40-grain solid, 73-grain FMJ in the .32 ACP and 95-grain FMJ in the .380 ACP all exhibit similar behavior, with less penetration.

I would expect the long ogival nose of the Mk2 bullet and its greater overturning moment would shorten the "neck" of the permanent cavity and cause the "flip" to initiate earlier during initial soft-target penetration. I plan to do some water-jug penetration testing of .38 S&W, .380 Mk2z, .455, and .45 ACP, but it would be nice to have some contemporary accounts.

Come hog-killing time there might be an opportunity to test an FN Mk2 round from my Webley & Scott...

73 de KE4SKY
In "Almost Heaven" West Virginia
USA
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Messages In This Thread
.380 Mk2z - by CharlesHarris - 31 January 2017, 04:50
RE: .380 Mk2z - by Mortblanc - 31 January 2017, 19:11
RE: .380 Mk2z - by CharlesHarris - 31 January 2017, 21:58
RE: .380 Mk2z - by Mortblanc - 1 February 2017, 02:53
RE: .380 Mk2z - by Midnitemo - 1 February 2017, 13:55
RE: .380 Mk2z - by Mortblanc - 2 February 2017, 18:58
RE: .380 Mk2z - by CharlesHarris - 3 February 2017, 02:35
RE: .380 Mk2z - by Mortblanc - 3 February 2017, 20:06
RE: .380 Mk2z - by CharlesHarris - 4 February 2017, 00:45
RE: .380 Mk2z - by Mortblanc - 4 February 2017, 20:14

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