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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
California varmint/lead free design - 20/5.7x28FN - discussion
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<blockquote data-quote="Gerard Schultz" data-source="post: 1103696" data-attributes="member: 51"><p>HarryN,</p><p></p><p>Do not worry too much about the weight difference with and without drive bands. The way the GSC drive bands are done, a 200gr bullet will go to about 208gr, a 160gr bullet will go to 167gr and so on. The engraving pressure of a conventional bullet is about 3500psi while the engraving pressure of a GSC drive band bullet is less than 1000psi and I will take the lack of gas blow by in the leade and the low engraving pressure, over the small difference in weight any day.</p></blockquote><p></p>
[QUOTE="Gerard Schultz, post: 1103696, member: 51"] HarryN, Do not worry too much about the weight difference with and without drive bands. The way the GSC drive bands are done, a 200gr bullet will go to about 208gr, a 160gr bullet will go to 167gr and so on. The engraving pressure of a conventional bullet is about 3500psi while the engraving pressure of a GSC drive band bullet is less than 1000psi and I will take the lack of gas blow by in the leade and the low engraving pressure, over the small difference in weight any day. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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California varmint/lead free design - 20/5.7x28FN - discussion
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