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Old July 21, 2021, 03:56 PM   #6
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Join Date: November 13, 2006
Posts: 7,536
I forget where,but I've seen gel tests of 75/77 gr HPBT loads. Gel is not flesh and bone,but it appeared yaw and slug breakage would indicate significant trauma.

I don't think they drill an icepick hole. The hollow "nosecone" portion of the jacket,IMO,plays some part

Its hard to absolutely draw a line, but I would not expect a 1 in 9 twist to stabilize most 77/75 gr bullets. I won't say it won't work,but I would not expect it to.

A 1 in 9 does great with 69 gr bullets.

Last edited by HiBC; July 21, 2021 at 04:02 PM.
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