Although IMR 4831 and H4831SC are diverse powders, you will see that in many scenarios, in which one of them is mentioned another is going to be too. Also, you will discover there is a reasonably steady romantic relationship amongst them with regard to listed loads.

I have applied H4831 (and H4831SC), And that i use it. There aren't numerous cartridges that I use it for as I appear usually to gravitate to other powders. Nevertheless, I can't claim that it isn't going to get the job done. It is simply that Various other powders perform much better for a given cartridge. For instance, within the 280, H4831 gave me excellent velocity and really great groups with Nosler one hundred forty AB. Nevertheless, RL19 was marginally far better in accuracy, though the velocity was virtually similar.

You happen to be appropriate They're precisely the same the SC is brief Slash so it meters greater, I don't think you can obtain just regular 4831 any longer

Sure it is possible to. These are a similar correct powder although the SC powder is just Slash shorter so it meters far better.

The only real variance as I realize it is that the SC was created to perform via powder steps superior (which it does). The extended grains tend not to feed nicely whatsoever in some steps. Thats my 02 :grin:

I understand, rough occasions. H4831SC will definitely work, I just didn't like the case density when loaded long. I don't bear in mind powder charge off the top of my head but I was launching a Berger 168gr VLD at three,000fps and that is wherever I commonly intention to get. With your circumstance employing what you've (and what I must have completed) I'd start with the top of your bearing floor on the bullet appropriate with the shoulder/neck junction, and flirt with extending seating depths from there as you locate a velocity node.

I'm using it that has a 210 Berger. In my rifle, H1000 was not as precise. RL22 did nicely but I had been a bit concerned about temp balance. I feel I am at 72 grains and acquire all over 2850ish fps

While this might be real, there is a large amount more to it than just not blowing oneself up. He could not strike prairie canine over and above about 150 yards, so I'm guessing that inconsistent combustion was not carrying out nearly anything favorable for his grouping capability with All those loads.

At this time employing IMR 4831 inside a 300WSM, and find out the H4831sc is a popular option for this caliber and yields a little more velocity. Besides it getting shorter Lower, what is the difference in these two powders, and may I switch to H4831sc?

The 55grs h4831 vs h4831sc is everything I shoot from my swift. Other manuals I think that they may have slowed down the swift to point out that their rifles are greater. It bug the hell away from me. I do know better. This is why I don't at any time toss out my older manuals. I do invest in new handbook on a regular basis to stay up on new chambers and there loading. I take advantage of this 39grs in summers @ 100+ degrees with no difficulties.

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The "SC" means Brief Slice. I have never discovered a distinction between either powder dut I do not Imagine I'd combine them.

Several of the aged Lyman data just outlined IMR 4831, which was surplus armed service powder and now more recent mfg as H4831.

The container did not hold the "Excessive" brand on it. A coworker And that i then swapped some powder, And that i wound up with One more pound of H4831SC, this just one While using the "Extreme" logo on it.