How h4831 vs h4831sc can Save You Time, Stress, and Money.
How h4831 vs h4831sc can Save You Time, Stress, and Money.
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I gave up on it and went to other powder when the new powder was acquiring extra pressure and was slower than the previous stuff. I do not remember if I even tried normal h4831 or not; I'm considering not.
H4831SC Powder obtainable in inventory now. Ballistically, this Severe Extruded powder is the precise copy of H4831. Bodily, it has a shorter grain dimensions, thus, the designation SC or quick Slash. The shorter, a lot more compact kernels enable the powder to movement with the powder steps much more efficiently, assisting to relieve the regular reducing of granules.
What is the main difference? Compression. With no Serious/major compression associated with the extensive grain 7828, the stress curve was altered and also the load fell apart.
Minnesota H4831SC is my go to from the 7mm Rem Mag, but I'm preserving the minor I have remaining for slide 2021. I'd start out minimal and work your way up, determined by what load data you examine for this combo the min/max loads are all around the board.
IMR powders also preform perfectly for me with one notable exception. The many chrongraphing I have finished with them indicates the velecity is consistant over 32 degrees but begins to change when the temp begins to drop. The closer to zero I get the more they differ. I've witnessed about 250 fps in a ten shot string with my 243 and 223 from the Winter season time all around listed here. Have not noticed this with a few of the other powders.
I am aware, rough periods. H4831SC will definitely operate, I just did not like the case density when loaded extended. I do not bear in mind powder cost off the best of my head but I used to be h4831sc launching a Berger 168gr VLD at 3,000fps which happens to be in which I normally purpose to generally be. Within your scenario making use of what you have (and what I should have completed) I'd get started with the tip of the bearing area of your bullet proper in the shoulder/neck junction, and flirt with extending seating depths from there as you find a velocity node.
NBTs or Hornady VMax, but Have a very limited offer of Varget, as well as a lot additional readily available H4831SC. I shoot 55 gr. loads Pretty much solely, because that is definitely what the rifles shoot the ideal.
Anyhow, I needed to give some 7828SC a try and lessen a lot h4831sc load data of the compression. What a mistake, I could not get this powder to shoot accurately or produce the velocities I get with typical 7828.
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It truly is amusing how over the years loading a great number of unique cartridges in a variety h4831 vs h4831sc of rifles which i haven't gained satisfactory conclude success with H-4831 or the brief-Minimize Variation.
Run your load up with the specific powder (sc or standard) and ton you are making use of however. Similar melt away rate doesn't mean it'll behave "specifically" the exact same. I have viewed more than 100 fps difference between sc and mil-surp a lot of H4831.
It can be probably that no even more discussion is necessary, where scenario we suggest beginning a different thread. If even so you're feeling your reaction is needed you are able to still do this.
A few of the aged Lyman data just detailed IMR 4831, which was surplus military powder and now more recent mfg as H4831.
The container did not have the "Extraordinary" symbol on it. A coworker and I then swapped some powder, And that i wound up with Yet another pound of H4831SC, this 1 with the "Extreme" brand on it.