TC or Keith for 45 revo/ 1911 design question

Makicjf
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Joined: Mon Dec 08, 2014 8:15 am

TC or Keith for 45 revo/ 1911 design question

Postby Makicjf » Mon Dec 08, 2014 8:24 am

Howdy!,
I am really interested in a 245 grain TC or Keith that will function in my 1911 and 45 acp revolvers. I *think* a 75% meplat truncated cone would be best, as one of this bullets jobs would be fast reloads in moonclips for IPSC. The 260 grain RCBS keith hangs up if I don't focus. It will also be a field carry my 1911 ( which feeds keith bullets well). The TC 454 bullet your program designed looks great. I just adjusted nose length until the program excepted a 75% meplat weighing about 245 grains. Do you think it will be stable to 100 yards from a 4 inch revolver and a 5 inch 1911? I know what I "want", but do not have the knowledge or experience to know if what looks good will actually work!
Thank you sir!
Jason

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mtngun
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Re: TC or Keith for 45 revo/ 1911 design question

Postby mtngun » Mon Dec 08, 2014 9:46 am

The stability of short, blunt bullets is hard to predict, normal stability formulas for rifles do not apply. So in other words, I don't know the answer to your question. :( It's basically trial and error.

However, I've always had acceptable results with a 75% meplat in revolver bullets.

Makicjf
Posts: 2
Joined: Mon Dec 08, 2014 8:15 am

Re: TC or Keith for 45 revo/ 1911 design question

Postby Makicjf » Mon Dec 08, 2014 10:09 am

Thank you, Sir!
That is great news!
Jason


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