This really is alleged to be the "visit" powder-or darn near it- for almost any bottle-necked cartridge a single could handload. It is the inspiration for so many pet loads, but I haven't been satisfied with the outcome.
H4831SC Powder offered in inventory now. Ballistically, this Extraordinary Extruded powder is the exact duplicate of H4831. Physically, it's got a shorter grain measurement, thus, the designation SC or limited Minimize. The shorter, much more compact kernels enable the powder to move through the powder measures far more effortlessly, assisting to ease the continuous reducing of granules.
4gr of H4831sc and Federal 215 primers. I discovered this combo generates .5MOA teams with velocity about 3020fps away from a 26" barrel. I exploit this exact same powder in my 300wm taking pictures 180gr products, so It is really awesome to have a person powder for equally.
Run your load up with the precise powder (sc or typical) and lot you're working with even though. Exact burn up amount doesn't mean it can behave "particularly" the identical. I have seen above a hundred fps distinction between sc and mil-surp a lot of H4831.
some cartridges have a tendency copper foul in excess of others although, no matter how easy the finish is within the bore and call for cleaning of the copper fouling much more frequently.
Any load data to help that? My to start with believed is it is not intending to burn every one of the way and velocities will be sluggish and far and wide. May be a pleasant fireworks Exhibit!
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If you have some heavier .224" bullets, you might discover a load that actually works OK Along with the 4831. The bullets I tried that were around 70 grains wouldn't h4831 vs h4831sc stabilize in my rifle, which had the conventional fourteen" twist. The 70-grain Speer was the largest bullet that could stabilize, however it did that fantastically. It is a amusing-seeking bullet that has a rounded nose profile, however it shoots wonderful and kills perfectly. Deer out to about 150 yards al went down straight away with rib-cage hits.
I have discovered the exact opposite to get genuine in my gun. H4831SC was the slowest powder with 180 g Accubonds. RL22 was a much faster and Similarly precise powder in my three hundred Win Mag.
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Operate your load up with the precise powder (sc or common) and great deal you might be working with while. Similar burn off amount doesn't suggest it will eventually behave "exactly" the same. I have viewed over a hundred fps distinction between sc and mil-surp a great deal of H4831.
Like Every person stated, the SC means “limited Lower” and it is a bit simpler to meter. Tends to make you dilemma why they'd nonetheless make the frequent just one.
Can I think that H4831 might be substituted for H4831sc ? I know the Bodily difference but will it have an impact on the burn or velocity? I h4831sc feel not but I am not 100% absolutely sure.
I found that my 7mag 160 partitions were being sub MOA with 4831sc with very low to min fees. I’m speaking 2700 (maybe 2800) fps, it absolutely was a lower 60s grain charge inside of a Norma scenario. Not what I was looking for, but precise Nevertheless.