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Rifles, Reloading, Optics, Equipment
Reloading
hands down best brass for reloading 7mm rem mag
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<blockquote data-quote="J E Custom" data-source="post: 1437463" data-attributes="member: 2736"><p>All brass will grow/stretch the first firing, but the best way to minimize case groth is with zero or minimum head space. If you restrain the shoulder at the neck shoulder junction it doesn't have much room to grow. The Ackleys do this best because when you fire form them, the first time the proper way to set the head space is with - .004 thousandths head space in order to get a slight crush on the shoulder neck junction.</p><p></p><p>Most Of my Ackleys only grow .004 to .006 thousandths the first firing, after that, the 40o shoulder keeps cartridge groth to a minimum, especially if you neck size only until the cases become harder to chamber and then size only enough to chamber.</p><p></p><p>Even this process will not completely stop case groth,and after many firings they will have to be trimmed to length depending on how hot your loads are.</p><p></p><p>Nothing will completely stop case groth.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1437463, member: 2736"] All brass will grow/stretch the first firing, but the best way to minimize case groth is with zero or minimum head space. If you restrain the shoulder at the neck shoulder junction it doesn't have much room to grow. The Ackleys do this best because when you fire form them, the first time the proper way to set the head space is with - .004 thousandths head space in order to get a slight crush on the shoulder neck junction. Most Of my Ackleys only grow .004 to .006 thousandths the first firing, after that, the 40o shoulder keeps cartridge groth to a minimum, especially if you neck size only until the cases become harder to chamber and then size only enough to chamber. Even this process will not completely stop case groth,and after many firings they will have to be trimmed to length depending on how hot your loads are. Nothing will completely stop case groth. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
hands down best brass for reloading 7mm rem mag
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