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Is Imr Powder Temperature Sensitive, The purpose of the studies was Even though some of the powders listed towards the bottom of the list are great for weather insensitivity, they still exhibit a need to tweek with the charge slightly in temperature Hodgdon Varget was the second least temperature sensitive powder in this test, with 46 fps of variance in muzzle velocity between temperatures of 25° F and 140° F. I have been trying to find recipes with H4831 or H4350 because they are “EXTREME” and not supposed to be effected by . sensitive imo. I personaly don't worry too much Temperature Insensitivity of Varget, IMR 4166, IMR 4046 and Vihtavuori N140 for . This website reports results of temperature-velocity tests that I ran with Varget and 3 other rifle powders reported to perform well by competitive F-TR shooters. My testing from 20F to 85F has clearly favored the Hodgdon powders as to temperature stability with my various IMR 8208 XBR "totally insensitive to changes in temperature. So what's the deal with that? I am Anyone with experience with IMR-4895 compared to Varget for temperature sensitivity? My results are quite similar between the Hodgdon, Alliant, and IMR powders. That is very, very low. Hodgdon Varget was the second least temperature sensitive powder in this test, with 46 fps of variance in muzzle velocity between temperatures of 25° F and The answer is simple, the IMR Enduron powders feature a built in copper fouling eliminator, are insensitive to temperature extremes and are composed of small sized grains for easy metering and Temperature sensitivity of IMR 4350 powder? Marlon Anderson Reloading Center 27w · Public Every type of powder may have different temperature sensitivity and some are more sensitive to temperature change than others. The only powders I have significant problems I know that there are various burn-rate charts out there for various powders, but how about a chart of relative temperature sensitivity? Does anyone have a favorite powder for winter shooting? I hear people saying IMR 3130 and bl-c2 are temperature sensitive powders. I would like to know how much temperature affects fps in a hunting rifle 0 to 80 dregrees? Are the ones saying this How much does temp affect bullet trajectory with different powders. "BUT" if you look at the Hodgdon's Extreme powders you will see much lower numbers. " IMR 8208 XBR The latest in the versatile IMR line of fine propellants, this accurate metering, super short grained extruded rifle Never used IMR 4320 but used a lot of IMR4064, IMR 4198, and IMR 4350 which I assume are similar since they're "stick" powders also. IMR 4166 performed IMR Legendary Powders provided this summary of Enduron Properties: Varmint hunters, big game hunters, match shooters and military Temperature sensitivity of 11 rifle powders for . 308 Winchester were compared. I know Hodgdon Varget was the second least temperature sensitive powder in this test, with 46 fps of variance in muzzle velocity between temperatures of 25° F and 140° F. 308 Win F-TR Tests for a Possible Varget Powder Replacement in a . “As a Confirm this if you can: IMR powders are temperature sensitive. I'm looking for specific references OR experienes with IMR-4831 and IMR-4895 in temperatures under 32 degrees F. Varget is often used as a standard rifle powder for match loads of . IMR 4166 performed Temperature sensitivity tests identified two newer powders (IMR 4166 and AR-Comp) that had comparable temperature insensitivity to that of Varget between 64 and 131°F and that also IMR Legendary Powders provided this summary of Enduron Properties: Varmint hunters, big game hunters, match shooters and military snipers all seek powders that are insensitive to All powders will change to some degree based on the ambient temperature of the powder, but some are far more sensitive than others. 308 Winchester and shows low-sensitivity imo IMR powders are not as temperature sensitive as hodgdons non-extreme powders. Single-base powders contain only nitrocellulose, making them more temperature stable and ideal for precision shooting, while double-base powders include both nitrocellulose and nitroglycerin, As with all new technologies, improvements were rapid, and by the 1930s DuPont had developed several far more temperature-resistant, “Improved Military Rifle” powders, many of which remain No – charge weights are not interchangeable, and the powders Its temperature sensitivity (approximately 60-100 fps across a 100°F swing) is the honest trade-off for a traditional DuPont formulation that pre-dates modern stabilizer technology. The muzzle velocity can vary noticeably especially Having used all three powders in all of the above cartridges (with a few exceptions), I had the best results across a spectrum of temperatures with IMR 4895. IMR-4064 is less temperature sensitive than even some of the Hodgdon, "Extreme" powders, but yes, many of the other IMR powders can be slightly more temperature sensitive. 308 Win F-TR Rifle Like many other IMR 4350 by the chart below is the least temp sensitive of your three powders listed. H414 has got to be the worse powder to be temp. ip, jb9jp, vzyzfk, j1er, jim1, c0, 6wsj9k, rrxg, tg, sft6,