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When it comes to bench rest matches, Hodgdon® rifle powders have posted a lot more wins than all other propellants put together. A good extruded powder, it flows properly and with ease as a result of steps and provides match-grade accuracy when set to implement.
4gr of H4831sc and Federal 215 primers. I discovered this combo produces .5MOA groups with velocity about 3020fps away from a 26" barrel. I exploit this very same powder in my 300wm shooting 180gr supplements, so It is awesome to obtain one particular powder for both.
Run your load up with the precise powder (sc or standard) and ton you might be utilizing nevertheless. Identical burn fee does not imply it is going to behave "particularly" a similar. I've found over a hundred fps difference between sc and mil-surp a lot of H4831.
IMR powders also preform perfectly for me with a single notable exception. All the chrongraphing I've completed with them indicates the velecity is consistant above 32 levels but starts to fluctuate once the temp begins to drop. The nearer to zero I get the more they change. I've viewed up to 250 fps in a 10 shot string with my 243 and 223 during the Winter season time around in this article. Have not found this with a few of the other powders.
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I don't love to operate up a load utilizing a single lots of powder after which you can have to operate up again mainly because I operate out and possess to start out employing a new large amount selection.
Im beneath the knowledge I wish to use h4831sc. I've examine that these powders are similar Apart from the shorter grain dimension of the sc. Need to I still be looking out for h4381sc?
dioni.a.312 reported: In my practical experience the only authentic change is that the shortcut meters greater by reloading machines. At the time It is really loaded theres no purposeful variance. I've read the shortcut might have a small little bit a lot quicker melt away amount but it seems insignificant. Simply click to broaden...
The 55grs is all that I h4831sc load data shoot from my swift. Other manuals I feel that they have got slowed down the swift to point out that their rifles are much better. It bug the hell from me. I'm sure much better. This is why I don't ever throw out my older manuals. I do purchase new handbook continuously to stay up on new chambers and there loading. I exploit this 39grs in summers @ one hundred+ levels with no complications.
I required a tad extra myself so I went ahead and grabbed the 8lb jug to be included for a while (and also have a good amount of a similar lots of powder).
This really is an Extraordinary extruded propellant and h4831sc provides heightened insensitivity to cold and hot temperatures.
Nevertheless IMR 4831 and H4831SC are various powders, you'll discover that in several scenarios, exactly where one of them is listed another are going to be too. Also, you'll find there is a fairly regular relationship between them with regard to mentioned loads.
The container didn't provide the "Severe" logo on it. A coworker And that i then swapped some h4831sc load data powder, And that i ended up with An additional pound of H4831SC, this one Using the "Severe" logo on it.