.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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.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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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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.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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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.
You did well!
I am starting to eat into my Bullseye, Unique and 2400 powder and now I see Bullseye and 2400 coming back on the market ..
at $60+ a pound!!!
https://www.precisionreloading.com/cart.php#!c=103&s=in&l=PDR
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Red Dot and 2400 available
https://www.precisionreloading.com/cart.php#!l=PDR&i=RED1
https://www.precisionreloading.com/cart.php#!l=PDR&i=24001
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Ouch!!
I can’t recall exactly what it was when I first started but it seems most pistol/shotgun powders were around &12-15 a pound.
I do remember the ACE hardware store where I bought my reloading supplies has Winchester primers for $1.75 a hundred or $15 for a brick of a thousand. I remember at the time thinking “who in the world buys a whole thousand primers at a time?!?” Ha ha; if I only knew…
You did well!
Many moons ago I bought two 8 lb. cardboard cans of Bullseye at $40 each. Commercial loader selling all his equipment and retiring. Have about a half pound left from the first can, lot of shooting 3 to 5 grains at a time. Mostly .38 HBWC, .32 H&R, and 32-20's. Can't believe the unopened can is worth $500 now. Guess buying powder and primers in bulk in the 90's, and collecting a literal ton of free WW's was a good thing. Except for dies, molds, and the odd pound here and there for experimentation, I haven't bought reloading supplies since Y2K. Now trying to burn it up before I go "Tits Up".
Thanks! Added that data to my spreadsheet
of loads.
Same here - stacked everything I could high and deep.
Decided I would weigh my WW ingots and keep up with the inventory and had over 7,000lbs. Of course I lost track of how much I have used but it wasn't a big dent.
Mr. Linebaugh’s loads
I finally got around to trying out some of his hotter loads yesterday. They were pretty snappy and I seriously doubt I will be doing that again! Maybe for use in my 1894 Marlin because they were much more controllable in it and produced some very impressive velocities!
I loaded 24.0 of H110 under a 454424 and got 1276 fps, which is impressive how close it was to the hotter load in your chart.
I also loaded a Lee 320 rnfp-gc over 23.0 and got just over 1200 FPS. These were in my 4-5/8” NMBH.
Accuracy was good and would have been better if I hadn’t flinched so bad, hence the lack of desire to try many more of them!
I don't shoot the hotter loads much at all - rarely in fact
Since my body has continued to age in spite of what I tell it, it just does not like being smacked, pounded, or tweaked.
I found 20 of my hot 300 gr. loads a couple years ago. Hadn't shot any in a very long time so I took them to the Range. I brought 17 back home. 
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I don't shoot the hotter loads much at all - rarely in fact
You’re smarter than me! (Not a big surprise!). I loaded upm25 of each to try through three Siddons and kind of like a kid who doesn’t like his spinach, I got rid of the last of them as fast as possible vs drawing it out!! I figured I wouldn’t shoot anymore of them or load any more up, so instead of having 5-10 rounds laying around, I just shot them up.
I also had some warmer .50 AE loads for my FA83 and I was curious what speed they were going so I shot them over the chrono too. 325gr at 1400 fps, by the way. Not fun either.
I finished the trip up wo the some fun .32 mags through a Ruger single seven and they felt like a cap gun afterwards !!
Mr. Linebaugh’s loads
Dad's "squirrel loads" were 21gr (I think) of 110/296 under a 265gr LFN. I used to eat 'em up and spit 'em out but not so much anymore. I still have some in the locker but I'll save them for my sons who haven't learned yet!