pidevildog07
Active Member
Specifically 300blk H110. In lymans 50th edition NO pressures are listed. Why is this? Is it because it's marketed as a pistol powder? 
Non - existent pressure listings?
- Thread starter pidevildog07
- Start date
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DutchV
Ultimate Member
- Jul 8, 2012
- 4,722
pidevildog07
Active Member
Noted, I was just genuinely curious. I used Hornady's book to reload 125gr fmj and noticed they don't list pressures for ANY load! Very peculiar.
Seabee
Old Timer
Accurate powder publishes pressure data in there free manual and the book they sell. Their 11FS is very similar to H-110 but with flash suppressant.
Biggfoot44
Ultimate Member
- Aug 2, 2009
- 33,108
In General
It's economics . Publishing exact pressure reading for multiple loadings requires man hours by the respective ballistic lab staff . Time and budgets are finite . Or flipping the narrative , the more man hours expended on particular load/ cartridge , reduces the number of loads/ calibers published .
The good news , is that every published load w/o otherwise pressure data is inherently within pressure limits .
It's economics . Publishing exact pressure reading for multiple loadings requires man hours by the respective ballistic lab staff . Time and budgets are finite . Or flipping the narrative , the more man hours expended on particular load/ cartridge , reduces the number of loads/ calibers published .
The good news , is that every published load w/o otherwise pressure data is inherently within pressure limits .
- Feb 4, 2013
- 28,175
If this is true, and most likely is, they DID take pressure measurements, and should have the info to supply.
With modern piezo pressure sensors, there is not extra work to getting the data. Fire the round, read the chrono, read the pressure.
Biggfoot44
Ultimate Member
- Aug 2, 2009
- 33,108
No ( component mfg, etc) source in recent decades is going to publish over pressure load data without copous and blatant disclaimers .
Specifically 300blk H110. In lymans 50th edition NO pressures are listed. Why is this? Is it because it's marketed as a pistol powder?
I could run the numbers in Quickload. What projectile are you using?
What seating depth?
Which Primer?
- Jul 29, 2014
- 49,963
Here ya go devildog. This is one of my main reloading sources for Hodgdon, IMR, and Winchester.
They cover rifle, pistol, and shotgun. It isn't perfect(impossible to list every projectile), but it's a good starting point and it does list pressures.
https://www.hodgdonreloading.com/data/rifle
They cover rifle, pistol, and shotgun. It isn't perfect(impossible to list every projectile), but it's a good starting point and it does list pressures.
https://www.hodgdonreloading.com/data/rifle
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