The imr 4955 load data Diaries

If we would have incorporated powders like Alliant Reloader and Some others, which happen to be notorious for large swings with temperature … you should see much larger figures on this graph. We didn’t contain All those, for the reason that Actually … we’re only Individually enthusiastic about working with powders which have been temperature stable.

That’s an excellent dilemma, Kasper! Inside the barrel test I carried out lately, I calculated chamber temperatures in excess of a 20 spherical fast-fire string (all fired inside of one moment) and a 50 round slow-fireplace string (fired in excess of 20 minutes). The temperatures I recorded weren’t as significant as you may think they might have already been. Even on the fast-fire exam, the best chamber temperature I found was 149° F. Now semi-automatics would most likely get Significantly larger, but this was all completed for bolt-action rifles and 20 rounds per moment is a fairly rapid price of fireplace.

300 get and 270 acquire. And that i might not of explained something apart from One more member in this article experienced exactly the same factor materialize. Haven’t noticed this in almost any of another enduron powders. I feel it’ll be excellent, just keep watch over strain symptoms and shift up imr enduron powders even slower than typical is my suggestions.

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I ran the 140 ELDM and the 143 ELDX in QL and arrived up Along with the connected. For those who have a specific bullet in your mind aside from these, you should allow me to know and I will operate that in your case. As constantly, commence low and you simply imr enduron powders believe all liability. Click to develop...

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AH are designed in a different way, so for a similar weight they normally need to have faster powders. The 3300 FPS was created about the AH line and my not take place Along with the HH line.

The key features from the Enduron series are copper fouling eliminator, insensitivity to temperature variations, great loading density and staying environmentally friendly.

So I made a decision to test 4 distinctive powders which might be perfect For almost all of calibers Utilized in extensive-selection, PRS-style matches:

If possible, we suggest that you simply establish the COAL of the rifle, and load your bullets at 1mm wanting the lands.

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Tests is all accomplished, Ring. We don’t have designs to test some other powders at this point. But, you ought to go test it when you’re interested in that powder. This is quite straight-ahead stuff.

Here is a check out on the fundamental data, which shows the common muzzle velocity for every team of ammo:

The most crucial options of your Enduron collection are copper fouling eliminator, insensitivity to temperature changes, suitable loading density and becoming environmentally friendly.