Rifle Powder numbers? The same but different?

After extensive load development in my MOD 70 Classic 30-06 H4350 came out as better than the other 4350's and beat out other powders I tried.
 
And I prefer IMR4350 for my cartridges..
So what is '4350'?
So what is '4350'? Well its a number that is assigned to a certain kind of rifle powder that usually has letters in front of it. But since H4350 is the best all the others just get generically labeled "4350".
 
Wish I knew.
So I'm fishing for your basis of H4350 as 'best' among all 4350 powders.

IMO, you would first need to know what it is, before having any ability to make claims(specific or broad) about it.
 
Wish I knew.
So I'm fishing for your basis of H4350 as 'best' among all 4350 powders.

IMO, you would first need to know what it is, before having any ability to make claims(specific or broad) about it.
Ahhh I see, It was from 100's of rounds of 30-06 165gr and 180gr bullets down range with IMR4350, AA4350 and H4350 also a couple Reloader powders that were supposed to do well in 30-06. When it was all said and done H4350 had the history of producing consistently better groups. It helped that a less than max load for 180gr & H4350 from the Speer manual gave me 2825fps MV. Then loading REM 7-08, REM 280 and some 270WIN the H4350 worked well, solid MV and good accuracy. Turns out H4831 is the better powder for 270 and low and behold the much beloved/maligned 6.5C works great with H4350. So that is how I came to that perspective. 5 different calibers and 4 different rifles all did well with 1 powder.
 
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