However IMR 4831 and H4831SC are unique powders, you will discover that in lots of instances, in which one of them is shown the opposite might be in addition. Also, you will find there is a reasonably dependable partnership among them with reference to shown loads.
H4831SC Powder accessible in stock now. Ballistically, this Extraordinary Extruded powder is the precise copy of H4831. Bodily, it's got a shorter grain size, for that reason, the designation SC or shorter cut. The shorter, a lot more compact kernels allow the powder to flow with the powder steps extra effortlessly, helping to alleviate the regular cutting of granules.
What's the main difference? Compression. Without the Severe/large compression connected with the prolonged grain 7828, the strain curve was altered plus the load fell aside.
Warning making use of SC or SSC designed loads with long Minimize, back off and operate up. Use safe loading tactics.
Alaska The sc loads up a tad far better but They're the very same factor, 1 is simply quick Reduce. I’ve even blended the conventional one While using the SC and gotten the exact same results as applying one particular or the other.
I've utilized H4831 and H4831SC in my 260 Rem without having distinction. The one thing is definitely the quick Slash offers you a bit more Place. Excellent luck!gun)
If there's no load data it really is since this powder isn't h4831sc load data ideal for this cartridge. Usually one will not locate one particular powder to suit all cartridges, as well as h4831sc family of cartridges with The actual powder (4831SC) that you'll be inquiring about does not function.
and you might like to spend money on some new load data books. powder composition and chemistry can does change through the years. 4831 powder of yrs back is not similar as what is available. that is definitely why anyone serious about reloading properly may have one of the most present-day load data guides to make reference to.
Together with the quick Reduce version powder will come approximately the base with the decrease shoulder so I continue to have lots of place.
The 55grs is everything I shoot from my swift. Other manuals I think that they've got slowed down the swift to show that their rifles are improved. It bug the hell from me. I am aware improved. That's why I do not ever throw out my more mature manuals. I do obtain new manual continuously to stay up on new chambers and there loading. I take advantage of this 39grs in summers @ 100+ degrees with no problems.
This is an more mature thread, you may not get a response, and could be reviving an aged thread. You should take into account developing a new thread.
The "SC" stands for Brief Slice. I have h4831 vs h4831sc never discovered a difference between either powder dut I don't think I'd personally combine them.
A number of the aged Lyman data just outlined IMR 4831, which was surplus army powder and now newer mfg as H4831.
The fact that the H4831 is without a doubt a slower burning powder is specifically why you happen to be seeing bigger velocities acquired with that powder, versus Everything you've viewed With all the IMR stuff.