currently I chronographed two 3-shot groups with Hodgdon’s Varget powder along with the Barnes two hundred grain TTSX BT bullets. This powder is now preferred in the previous few several years. It is exactly what can be known as a “medium” melt away amount rifle powder, in good company with other this kind of powders as IMR 4895 and IMR 4320. These powders even have a decreased bulk density than a number of other powders that I've examined.
In the final two months I chronographed loads with 3 more powders and Barnes two hundred grain TTSX BT bullets. These powders may very well be termed “medium” melt away price rifle powders. These powders even have a reduced bulk density than various other powders mentioned in the above Loading Data Table. as a result, even making use of enough of such 3 powders to fill the case up to your bullet foundation, the fired cartridges made a significantly decrease velocity than the “faster” burn off fee rifle powders previously tested.
Common perception tells me NO. That I must vacant the hopper and go with 100% HP-38. the truth is only load some rounds at my standard charge and test them out in my aged Model Ruger's 1st, just because........
Quite simply, that ADI chart is kinda hazardous handy out to amateur loaders, IMHO, on account of a really bad title.
is usually that for the reason that they didn't check well, or simply just only much time and bullets? Don't want to reinvent the wheel but have had excellent luck with 4064 in other 308 based circumstances and would like to study of someones encounter. because of all.
previous to trying the above, I examined the available load data from a variety of resources to make sure that powders stated as more quickly burning than H4831, as envisioned, utilized more compact fees than H4831, and vice versa for slower burning powders. This tells me that the melt away level chart properly predicts the relative behavior in the powders inside the cartridge in problem.
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The 410 BORE has long been challenging to load due to shortcomings in powder fit, metering, coupled with inadequate burning attributes.
It is really great to determine some analyzed load data. upset which i is not going to have my shiny new 358 Hoosier for quite a while nonetheless, but see that there are no parts out there anyway. I have began exploring early. I'm surprised not to see IMR 4064 or Varget included in the load data.
The charge of 42 grains of Varget crammed up the newly-shaped cases (from new.358 Winchester brass) on the junction from the neck and shoulder, resulting in a slight compression on the powder in the event the Barnes bullets were seated. I observed no abnormal pressure symptoms and bullet velocities must be substantial more than enough to just take deer around two hundred yards. And, the indicated accuracy was good. Air temperature was about 87 degrees. Here is a summary of the results:
absolutely nothing there suggests they are precisely the same powders, or are even of the identical manufacture, or have like demand weights in any individual software.
tend not to have confidence in my numbers. bear in mind in scorching weather chamber pressures will probably be larger than in chilly climate. The temp these days was forty degrees file. I would not advocate at any time exceeding the outlined H4831 cost.
genuine burning rates can vary with regards to the calibre, weapon, loading parts and practices, as well as from powder great deal to powder good deal.
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