PrecisionRifleBlog.com (PRB) a short while ago revealed benefits from a area examination PRB executed to quantify the temperature security of the popular Hodgdon H4350 and Varget powders and Evaluate All those to IMR’s new Enduron line of powders, specially IMR 4166 and 4451.
With that remaining mentioned, these new powders are everything Hodgdon claims them being. Look at being unaffected by temperature, we have been stunned. Look into the tabular results under for yourselves.
PRB’s testers speak about These matters, provide a number of other insightful views of the info, and go over tools that will help you handle temp/muzzle velocity in the field inside their complete article. You will discover that listed here:
In anyone's beloved spot 4166 failed to meter that perfectly, but I hand weigh nearly all of my reloads in any case. It absolutely was extremely regular and offered Superb precision for me. Having said that, I'd comparable luck with 8208 and it metered similar to a champ.
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I appreciated a number of of their powders Particularly 8133 but unfortunately with them discontinuing them it's gonna make one other powders Like h1000 and retumbo even harder to uncover.
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Hodgdon Severe Series powders have captivated very a admirer base, with over ninety% of the very best shooters during the Precision Rifle Sequence picking to run a kind of powders. IMR delivers a modern line of powders “with Enduron Technology” — which happens to be also marketed to possess IMR 4166 “Severe temperature stability”.
The top shooters while in the PRS and veteran long-selection shooters in other disciplines have learned to price a temperature-secure powder. That’s since a improve in temperature can have an effect on the trajectory or “flight path” on the bullet in two well-identified means:
IMR4064 is simpler to locate and usually provides excellent accuracy. I haven't tried out it still, but wish to hear again likewise.
The flexibility of P. americana to get trapped far more effortlessly than B. germanica and B. orientalis could be because of their tendencies of becoming a lot more active in quest of food items and internet sites to put their eggs [16] while B. germanica and B. orientalis search to get sedentary inside their actions.
PRB’s take a look at staff also discovered other exciting tendencies in the data. For instance, variation in velocity doesn't look like linear through the whole variety of temperatures.
Schiltroth7 stated: I preferred some of imr 4166 in stock their powders Particularly 8133 but unfortunately with them discontinuing them It can be gonna make the opposite powders Like h1000 and retumbo even tougher to find. Click on to increase...