.45 Colt Pressure Data
I am not sure if I posted this before. If I did just ignore this.
Years back John Linebaugh helped me get .45 Colt loads pressure-tested at Hodgdon's in their pressure barrel. John had built the pressure barrel for them and had access to it whenever they weren't running tests.
![[image]](images/uploaded/202510281306186900bfca0c478.jpg)
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Ele era velho.
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.45 Colt Pressure Data
Saved and filed. Thanks!
Important ... not shown on the data sheet
The 300 gr. #45191 bullet was seated only deep enough to crimp into the top grease groove.
![[image]](images/uploaded/202510281449216900d7f12a24b.jpg)
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Ele era velho.
Ele era corajoso.
Ele era feio.
Thanks!
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.45 Colt Pressure Data
Thanks, I love reading pressure data, interesting to see the pressure jumps with slight powder increase. One of the reasons I like older reloading manuals, they included pressure data on the loads.
Gunner
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41 Mags rule, Baers rock!
I am with you Gunner! (nt)
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Ele era velho.
Ele era corajoso.
Ele era feio.
.45 Colt Pressure Data
Thanks for posting that. It’s surprising to see the bullseye pressure so high, especially for the velocity. MTter fo fact, I don’t see any that are under max pressure for standard 45 colt loads. I know red dot and bullseye are pretty close and ,y standard lighter .45 colt load is 6.0 of red dot under a 454424. I wonder how it is for pressure.
I never tested Red Dot.
I use Green Dot in the .45 and it works well. Unique is my favorite but it's kinda hard to find and I don't have but maybe a pound and a half left. I have used 231 also and it works fine, especially for the lighter loads ... which is what I shoot a lot of anymore.
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Ele era velho.
Ele era corajoso.
Ele era feio.
I never tested Red Dot.
I have been using red dot for so long thst I can’t quite remember why! I started loading .45 colt with the Lee Hand tool and when I finally bought a press and die’s, 45 colt and acp were my first two I ordered. Red dot worked well in both ad. The only real issue is worry of a double charge in the bigger case. Maybe that fear started me off as a careful reloader many years ago.
I have burned quite a bit of unique but have looked for other options in the past few years with the scarcity of it. I have found 231 works well in many of my cartridges I load for and got a 4lb jug in a deal a few years back. Then more recently found an 8lb jug at a local shop so I jumped on it. I got lucky a few months back and bought big jugs of unique, red dot and promo from a guy who was tapering down his shotgun loading. The promo is only sold in 8lb jugs and is reported to be “red dot without the dots”. I have a few ounces left of a jug I bought years ago and In my testing, it was roughly 10% hotter than red dot, which worked great since I was basically using it for bulk loaded ammo, so I could use 10% less powder for the same velocity! I will have to look up some old loads and try them out with the new jug.