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Having used a good deal of H4831 and its SC version, I can find no difference in accuracy or velocity. Data really is interchangeable, at least with the lot numbers I have used to date. Been using the original version since '65. My recent experience with 7828 and the SSC version is very limited...

Been using H4831 since the mid-'60s and didn't try H4831SC until a few years ago. I have used a good bit of each now, but pretty much in only two cartridges: .25-06 & .270. I can tell no difference in accuracy, velocity, or charge weights. Even the SC version is coarse, but I suppose it goes...

x-die Have used one in .220 Swift for several years. Don't understand exactly how it works, but it does.

x-die I don't understand exactly how the die works, but I bought one several years ago in .220 Swift. I followed the directions and it works very well.

rcbs x die Have used one only, .220 Swift, for several years. I was skeptical at first, and still don't understand exactly how it works, but it does. Just follow directions.

I have also heard of H414 being temperature sensitive and that may well be. Most of my chronographing has been done in temperatures between 60 and ninety degrees; velocities may be noticeably lower as temperature decreases. I have used much of this powder for years in both my .22-250 and .220...

Win 760 and H414 are the same powder and I've used much of it over the past twenty years or so in both the .22-250 and the .220 Swift with bullets in the 50-to 55-grain weight range. I have always suspected lot-to-lot variation with this powder is somewhat greater than with many others but I...