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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
HBN Bullet Coating
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<blockquote data-quote="65WSM" data-source="post: 2957670" data-attributes="member: 9551"><p>Quickload predictive software has a provision for coated bullets. It predicts both lower peak pressure and lower velocities for the same powder charge with coated bullets. The "coated" bullet variable is user tunable. I tune the "coated" variable to the measured velocity as I continue to load that bullet batch and powder. Quickload can be very accurate at predicting velocities. Quickload is an important tool to those of us who load wildcat cartridges or new ones that have little handloading data available. It is also useful for old cartridges with old data, like .270 Winchester and .35 Whelen, that benefit greatly from newer powders like Reloader 16, 17 and 23, STABall, etc. I got the 180 Barnes to fly at 3030fps from a 22" 35 Whelen for a hunter who is stalking late season mule deer in Montana as I write this. I got 3220 fps from R-17 with 129 gr Barnes LRX from a 24 inch barrel. Both bullets were HBN coated. The pressures may have been limiting, without the coating, to smooth out the peak.</p></blockquote><p></p>
[QUOTE="65WSM, post: 2957670, member: 9551"] Quickload predictive software has a provision for coated bullets. It predicts both lower peak pressure and lower velocities for the same powder charge with coated bullets. The "coated" bullet variable is user tunable. I tune the "coated" variable to the measured velocity as I continue to load that bullet batch and powder. Quickload can be very accurate at predicting velocities. Quickload is an important tool to those of us who load wildcat cartridges or new ones that have little handloading data available. It is also useful for old cartridges with old data, like .270 Winchester and .35 Whelen, that benefit greatly from newer powders like Reloader 16, 17 and 23, STABall, etc. I got the 180 Barnes to fly at 3030fps from a 22" 35 Whelen for a hunter who is stalking late season mule deer in Montana as I write this. I got 3220 fps from R-17 with 129 gr Barnes LRX from a 24 inch barrel. Both bullets were HBN coated. The pressures may have been limiting, without the coating, to smooth out the peak. [/QUOTE]
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HBN Bullet Coating
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