I have a pound of each old and new Alliant/Hercules 2400. Has anyone used this powder in a 38 special? What loads and bullet weights? Would the charge weights be the same for each old/new?

Your help is appreciated.

How old is old?
powder stored correctly will last many years.

I shoot a +p.38 load in my model 27 Hiway patrolman that shoots pretty good.
I have loaded it with powder that was purchased in the 1980-s and with some that was purchased in 2005.I found no difference in how it shot.I prefer it in the .357 mag but here is a good .38 load.


125 grain Rainier plated hollow point

10.5 grains of H-2400

CCI#550 primer

The book I was loading from listed 900 fps
I have not run it thru my chronograph.
So it could be give or take a little.

I like the Winchester 231 in the .38 loads.

2400 just isn't a good powder for 38 - its to slow
and to dirty. Try some faster like unique. My altime favorite load is 6.5 gr unique and a 125 JHP and going to the dump to shoot rats.

I found it to be too slow too. Was using 158 gr. cast bullets. Got inconsistent results and gobs of unburnt powder.