Though IMR 4831 and H4831SC are different powders, you will find that in lots of circumstances, exactly where one of them is stated one other will be at the same time. Also, you will discover there is a reasonably consistent romance between them with reference to detailed loads.
I've utilised H4831 (and H4831SC), And that i use it. There are not a lot of cartridges which i utilize it for as I look usually to gravitate to other powders. Nonetheless, I can't say that it isn't going to perform. It is just that some other powders do the job improved for any provided cartridge. For example, from the 280, H4831 gave me superior velocity and really good groups with Nosler one hundred forty AB. Nonetheless, RL19 was marginally better in precision, even though the velocity was practically equivalent.
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Operate your load up with the specific powder (sc or regular) and good deal you are working with nevertheless. Similar burn up price does not imply it is going to behave "precisely" the same. I have observed about 100 fps distinction between sc and mil-surp many H4831.
some cartridges have a tendency copper foul over Some others although, despite how sleek the end is around the bore and require cleaning from the copper fouling extra frequently.
Considering the fact that there doesn't appear to h4831 vs h4831sc be any "official" Load Data around for this Load, can several of you provide a starting point with this combination and items to consider when Operating this Load up?
I am making use of it having a 210 Berger. In my rifle, H1000 wasn't as correct. RL22 did well but I used to be just a little worried about temp balance. I do think I'm at seventy two grains and get all-around 2850ish fps
and you might like to put money into some new load data guides. powder composition and chemistry can does transform over time. 4831 powder of years ago is h4831sc not very same as exactly what is now available. that's why an individual serious about reloading securely could have by far the most present-day load data guides to confer with.
I've located the precise reverse to be correct in my gun. H4831SC was the slowest powder h4831sc with one hundred eighty g Accubonds. RL22 was a considerably quicker and Similarly exact powder in my three hundred Win Mag.
Ballistically, this Intense Extruded powder is the exact copy of H4831. Physically, it's a shorter grain dimensions, hence, the designation SC or brief Minimize. The shorter, extra compact kernels enable the powder to flow with the powder actions far more efficiently, assisting to ease the constant cutting of granules.
Kansas Town, MO I'd get what ever is available at this moment. I’ve utilised the two though with my check out load and didn’t see anything at all different general performance smart.
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Obviously, sitting all around for 20+ several years (I'm sure a man who remains utilizing the H4831 he acquired during the 60s), ensures that melt away fees will most likely improve a smidge, and new manufacture things will probably be a little distinctive much too.