Powder

[any ruger]

What would be equal to Dupont 4756?

 

[daveg.inkc]

It’s a shotgun powder. I read good remarks on a trap shooting site. Old reloading manuals would have it. My earliest is 1953. I will see if it’s covered.

 

[recumbent]

Hodgdon SR 4756 Check their on line data for loads.

 

[TX Nimrod]

SR4756 is close, but not equal to, the following:

Herco
IMR-800X
N-3N37

You cannot substitute loading data between these powders, they will behave differently in different cartridges at different pressures.


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[daveg.inkc]

I found DuPont 4759 listed for rifles in my 1953 Lyman-Ideal manual.

 

[Dan in MI]

I would get a burn rate chart and see what’s close. Then hit sone reloading books for more details In the cartridge in question.

 

[dougader]

I found DuPont 4759 listed for rifles in my 1953 Lyman-Ideal manual.

SR 4759 and SR 4756 are wildly different powders, with 4759 being much slower burning.

SR4756 sits on the burn rate chart next to WSF and 3n37.

SR4759 is next to H110, Lil' Gun and Power Pro 300-MP.

 

[rangerbob]

4756 is/was a shotgun powder often used to load stout handgun loads. 4759 is most often associated with cast bullet loads in rifle cartridges. They are certainly not the SAME. The Lyman # 43 would have loads for both for their different applications. Bob!

 

[TX Nimrod]

Plus SR4759 has been out if production for years, good luck finding any.




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