A Data-Driven Approach To Precision Rifles, Optics & Gear
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Tag Archives: MagnetoSpeed Chronograph

Powder Temp Stability: Hodgdon Extreme vs. IMR Enduron

Gun Powder Temperature Stability Hodgdon Extreme H4350 Varget IMR Enduron 4451 4166

The goal of this field test was to quantify the temperature stability of the popular Hodgdon H4350 and Varget powders and compare those to IMR’s new Enduron line of powders. To do this we carefully measured muzzle velocities of meticulously loaded ammo over a huge range of temperatures. This test was conducted by Patrick Middlebrook. Patrick is passionate about the art of precision rifles. He’s a great shooter who has competed in numerous local matches, and several national PRS matches. He is also a 5-star handloader. I’ve learned a ton from him! Patrick has become a good friend of mine (Cal, ...

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