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Rifles, Reloading, Optics, Equipment
Reloading
New to once fired brass....results.
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<blockquote data-quote="J E Custom" data-source="post: 1110371" data-attributes="member: 2736"><p>Normally, once fired brass is more accurate as long as you don't over size it. It fits your chamber better and the internal volume is more consistent. (One reason the SDs are lower). With slightly</p><p>more case volume there is more air space in the cartridge increasing the burn rate slightly. (The reason that velocities were slightly higher.</p><p></p><p>Accuracy can be good with fire forming or first firing but generally gets better with second firing </p><p>and with minimal sizing.</p><p></p><p>J E CUSTOM </p><p></p><p>I recommend minimum sizing, (Just enough to chamber without forcing the bolt closed). If it is for dangerous game then it should be full length sized for safety.</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1110371, member: 2736"] Normally, once fired brass is more accurate as long as you don't over size it. It fits your chamber better and the internal volume is more consistent. (One reason the SDs are lower). With slightly more case volume there is more air space in the cartridge increasing the burn rate slightly. (The reason that velocities were slightly higher. Accuracy can be good with fire forming or first firing but generally gets better with second firing and with minimal sizing. J E CUSTOM I recommend minimum sizing, (Just enough to chamber without forcing the bolt closed). If it is for dangerous game then it should be full length sized for safety. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
New to once fired brass....results.
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