Dupont P 5066

John Y Cannuck

John Y Cannuck

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I have a half a pound of this old stuff to play with, but the only loads I've been able to find are 38sp. That came from a late 50's early 60's Lyman manual.
I know it's a pretty fast powder.

I probably have enough info to develop a load myself, but looking to save a bit of time.

No, I will not be discarding it. What fun would that be?

Looking for old 44special, 44 Mag, 44-40 loads, or loads with similar case capacity.
 
OK, just in case anyone else has some of this laying about.
This was sent to me from a close friend and reloader of many years. They are from his older load manuals.

I must point out

THESE LOADS HAVE NOT BEEN TRIED BY ME, YOU ARE ON YOUR OWN

44 spl. 246 gr. Lead bullet p5066 6.1gr velos 795 ft

44rem mag 240 gr lead bullet P5066. 9.9 gr. 1220 ft v.

45 colt 250 gr lead bullet P5066 7.6 gr. 860 ft v.

38spl 158gr lead bullet P5066 3.5 gr. 770 ft v.

BE SAFE
 
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This is a long obsolete pistol powder intended for .38 Special target loads. I used it some 'way back before the beginning of time, it was intended to compete with Bullseye back when NRA match revolver shooting was popular. It would be unsuitable for .44/45 pistol cartridges because of the voluminous cases and heavy bullets in these calibers. If you must use it up, either burn it up in a .38 SPL or give it to someone who will. It's only a 1/2 pound, use it for fertilizer, burn it but please don't experiment with untested unproven loads, that's as stupid as Russian Roulette.
 
Ashcroft said:
This is a long obsolete pistol powder intended for .38 Special target loads. I used it some 'way back before the beginning of time, it was intended to compete with Bullseye back when NRA match revolver shooting was popular. It would be unsuitable for .44/45 pistol cartridges because of the voluminous cases and heavy bullets in these calibers. If you must use it up, either burn it up in a .38 SPL or give it to someone who will. It's only a 1/2 pound, use it for fertilizer, burn it but please don't experiment with untested unproven loads, that's as stupid as Russian Roulette.
Click to expand...

To the inexperienced that would be true, I'm not. It's far from the first time I have made my own loads, and I've been doing it for decades.

But just to be clear

The above loads came from old loading manuals.
 
Sorry my error, I could have sworn you said you would develop a load yourself. Does your years of experience provide pressure tests on your 'developed' loads? Have fun.
 
Ashcroft said:
Sorry my error, I could have sworn you said you would develop a load yourself. Does your years of experience provide pressure tests on your 'developed' loads? Have fun.
Click to expand...


Would and have, many times, for a number of cartridges, but particularly for older cartridges with limited load data available.

It's an area not for the faint of heart perhaps?

I pretty much use case capacities as a guide. If you don't know what I mean by that, you probably shouldn't be doing it.
 
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