While IMR 4831 and H4831SC are diverse powders, you can find that in many situations, exactly where one of them is outlined one other will likely be also. Also, you will find there is a reasonably regular connection concerning them with reference to stated loads.
Ballistically, Hodgdon H4831 SC Powder is the precise copy of H4831. Physically, it's a shorter grain size, for that reason, the designation SC or shorter Reduce. The shorter, far more compact kernels enable the powder to move throughout the powder steps extra smoothly, helping to relieve the consistent slicing of granules.
The truth that the H4831 is without a doubt a slower burning powder is specifically why you happen to be viewing larger velocities acquired with that powder, instead of what you've seen With all the IMR stuff. Also superior powder, but fairly better suited to marginally smaller circumstances using a little bit considerably less potential.
Minnesota H4831SC is my head to in the 7mm Rem Mag, but I am preserving the tiny I've remaining for drop 2021. I would start out low and get the job done your way up, based on what load data you have a look at for this combo the min/max loads are all around the board.
Anyway, I knew the two pounds of H4831SC employed a similar data, but I didn't know regardless of whether there was anything diverse in between a pound of powder labeled "Excessive" and just one not so labeled. A connect with to Hodgdon verified h4831sc they were being in reality similar and the only variance was The emblem about the label.
Any load data to aid that? My very first thought is it's actually not likely to burn off all of the way and velocities are going to be slow and far and wide. Could be a good fireworks display!
If there is no load data it's simply because this powder is just not appropriate for this cartridge. Usually one particular will never come across one powder to suit all cartridges, and the family members of cartridges with the particular powder (4831SC) that you're asking about isn't going to operate.
The SC or SSC specified powders Usually allow for bigger load density, in order to h4831 vs h4831sc ordinarily get a tad a lot more powder in a specified situation when using compressed loads. Usage of a drop tube can further more enhance this advantage.
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Despite the similarity in nomenclature, they're wholly distinct powders, with IMR 4831 remaining substantially speedier compared to the Hodgdon variants. Really don't address them as the identical powder, because they most certainly usually are not.
This is certainly an extreme extruded propellant and provides heightened insensitivity to hot and cold temperatures.
Southwest Idaho I tried H4831sc in my 300 WM but had a lot better velocity and accuracy with H1000. I'd relatively utilize a slower burning powder with 215g pills.
The point that the H4831 is without a doubt a slower burning powder is precisely why you might be viewing greater velocities acquired with that powder, in contrast to Everything you've viewed With all the IMR things.