45 Colt Blackhawk question.... - Graybeard Outdoors
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post #1 of 11 (permalink) Old 09-13-2018, 11:11 AM Thread Starter
TM7
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Default 45 Colt Blackhawk question....

I have a 45 Colt Blackhawk which I like very much. Unusually it seems more accurate with the conversion cylinder installed firing 45acp.

Just wondering if it would be OK, or wise, to fire 45-SMC or 45-Super in my revolver.

I assume its OK.....don't know its wise.


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post #2 of 11 (permalink) Old 09-13-2018, 07:52 PM
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I don't have a 45auto cyl for my Ruger but you will not hurt your Blackhawk shooting 45Super through it. I have shot a load in 45LC with a 335 grain cast bullet at 1193 ft/sec without a hiccup so I don't think any super mag cartridge is going to pressure test it in any way.
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post #3 of 11 (permalink) Old 09-13-2018, 11:26 PM
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To some extent the answer depends on which BH you have. Is it the full size or the flat top? If full size then it's tougher than anything in the acp case. If it's the flat top chances are it's still up to it but I don't know what pressures the 45-SMC or 45-Super run at. The flat top is NOT as strong as the full size BH.



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post #4 of 11 (permalink) Old 09-14-2018, 10:10 AM Thread Starter
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Not the flat top....regular BH.
45-Super and SMC utilize ACP length case but jazz the pressure up to mid-20k range. I guess like a +P+ load....
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post #5 of 11 (permalink) Old 09-14-2018, 01:08 PM
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Full size BH will easily take that pressure level.



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post #6 of 11 (permalink) Old 09-14-2018, 05:59 PM Thread Starter
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Thx Bill.

Actually maximum pressure for the 45super and smc is 28,000psi.

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post #7 of 11 (permalink) Old 09-14-2018, 06:20 PM
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Still totally safe in a full size BH.



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post #8 of 11 (permalink) Old 09-26-2018, 09:20 PM
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What Bill said.


I have a 45 acp cylinder for my Blackhawk that was converted to 45 Winchester Magnum in the late 80's and it is still running strong.


Steve...........
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post #9 of 11 (permalink) Old 09-30-2018, 05:44 AM
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yup
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Originally Posted by Graybeard View Post
Still totally safe in a full size BH.

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post #10 of 11 (permalink) Old 01-04-2019, 04:22 PM
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I load my 45 Colt cyl to Max for Ruger and TC as found in some reloading books. It is at 44 mag preformance with less pressure.
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