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Ballistically, Hodgdon H4831 SC Powder is the precise copy of H4831. Physically, it has a shorter grain sizing, therefore, the designation SC or short Reduce. The shorter, additional compact kernels enable the powder to circulation throughout the powder actions a lot more effortlessly, assisting to reduce the constant reducing of granules.
The obvious trigger can be a tough/ruff bore. No amount of copper fouling lowering agents while in the powder will almost certainly correct this.
Minnesota H4831SC is my drop by during the 7mm Rem Mag, but I am preserving the minor I have left for fall 2021. I'd get started small and do the job your way up, dependant upon what load data you have a look at for this combo the min/max loads are all around the board.
INgunner54 stated: It's been a bit, but I did get some 4831 SC to test. Uncovered a node and shot some groups.
I'm sure, tough instances. H4831SC will certainly operate, I just did not like the case density when loaded extensive. I do not bear in mind powder demand off the highest of my head but I was launching a Berger 168gr VLD at three,000fps and that is the place I generally purpose to get. Inside your circumstance using what you have (and what I must have carried out) I'd get started with the tip of your bearing surface area of the bullet appropriate in the shoulder/neck junction, and flirt with extending seating depths h4831 vs h4831sc from there once you discover a velocity node.
You might have to produce some additional posts to get cleared to complete PM's. As soon as you get to that status I might post within the categorized reloading segment to view if anyone is near you for a trade.
excaliber explained: I've found the exact opposite to become accurate in my gun. H4831SC was the slowest powder with 180 g Accubonds. RL22 was a considerably quicker and Similarly precise powder in my three hundred Earn Mag.
Together with the smoother circulation traits will come additional uniform cost weights, when the person grains orient much h4831 vs h4831sc more compactly, creating superior loading density.
The 55grs is all of that I shoot from my swift. Other manuals I think that they've got slowed down the swift to show that their rifles are better. It bug the hell away from me. I realize better. That h4831sc is why I do not ever toss out my older manuals. I do purchase new manual continuously to remain up on new chambers and there loading. I take advantage of this 39grs in summers @ a hundred+ degrees with none troubles.
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Indeed, You should utilize the exact same load data for H4831 vs H4831SC, though the SC Model may possibly assist you to get a tiny bit more in situations in which you are maxing out situation volume with the conventional powder in advance of reaching pressure restrictions.
Both equally hold the Exact same melt away fee, brief Slash comes in useful In case you are at max fill instead of at strain/velocity that you want you can find a lot more shortcut in a scenario.
The container didn't hold the "Severe" emblem on it. A coworker And that i then swapped some powder, And that i ended up with Yet another pound of H4831SC, this a single Using the "Intense" symbol on it.