Nevertheless IMR 4831 and H4831SC are distinctive powders, you'll find that in many situations, where by one of these is listed another is going to be likewise. Also, you will discover there is a reasonably regular romance concerning them with regard to mentioned loads.
Not surprisingly, the Hodgdon tech would not endorse my mixing of different lot figures, but I believe I realize why. It's a litigation-pushed earth, and several fool would surely deduce that he could combine H380 and H110 and think of his very own tailor made mixture of powder. What a entire world.
This has become the major explanations reloaders are admonished to use new data only; and to begin lower when you will get a whole new great deal of powder. You don't genuinely know (Except if the company tells you so) that the new lot of powder was even produced at the same factory as being the powder you obtain a few years back.
I've had a handful of rifles that fouled actually bad. Acquiring all the copper out was a true PIA till I found Wipe-Out foaming bore cleaner.
INgunner54 mentioned: It has been a bit, but I did get some 4831 SC to test. Identified a node and shot some teams.
I know, rough situations. H4831SC will definitely function, I just failed to like the situation density when loaded extensive. I don't recall powder demand off the best of my head but I was launching a Berger 168gr VLD at three,000fps that is exactly where I commonly intention being. Within your circumstance utilizing what you might have (and what I ought to have carried out) I'd get started with the top of the bearing floor in the bullet suitable at the shoulder/neck junction, and flirt with extending seating depths from there after you locate a velocity node.
I have applied the two and used the exact same rates and also have not been able to explain to any noticable differences with effectiveness. the SC Model meters a bit smoother is about all. any responses??
excaliber stated: I've discovered the exact opposite to be accurate in my gun. H4831SC was the slowest powder with 180 g Accubonds. RL22 was a much faster and Similarly exact powder in my three hundred Earn Mag.
WA h4831sc I'd propose a slower burner that will give far better case density like H1000 or IMR 7977, particularly when you're loading heavies prolonged.
You might have to generate a handful of a lot more posts to receive cleared to complete PM's. As soon as you reach that status I'd put up during the categorized reloading part to check out if anybody is near you for the trade. Simply click to increase...
I have experienced similar expertise with H4350. For me, some ball powders won't shoot perfectly with anything h4831 vs h4831sc other than Fed215's. Some components just Do not Enjoy effectively with other. Appears like you have decided on 3 superior powders, I'd anticipate at the very least one of these to shoot.
That h4831sc is an extreme extruded propellant and offers heightened insensitivity to cold and warm temperatures.
arkansas or ohio i never ever found a distinction aside from the regular is like rolling cordwood onto the the pan.
I discovered that my 7mag one hundred sixty partitions were being sub MOA with 4831sc with minimal to min rates. I’m speaking 2700 (it's possible 2800) fps, it was a very low 60s grain charge within a Norma circumstance. Not what I was seeking, but exact Nevertheless.