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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Berger to introduce 7mm 195 gr EOL Hybrid Hunting Bullet
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<blockquote data-quote="BryanLitz" data-source="post: 608600" data-attributes="member: 7848"><p>The .338 does have a higher BC, but a great deal of that BC comes from mass (300 vs 195 grains).</p><p></p><p>The .338 cal 300 grain hybrid has a G7 form factor of 0.895, which is extremely low drag. The estimated form factor of 0.850 for the 195 grain 7mm is about 5% lower drag than the .338 bullet.</p><p></p><p>When talking about 'slick' shapes, and low drag, it's a discussion about form factor. BC is the combination of form factor and sectional density.</p><p></p><p>For more background info on form factor, refer to this web-log article:</p><p><a href="http://02b0516.netsolhost.com/blog1/?p=186" target="_blank">Berger Bulletin » Form Factors: A Useful Analysis Tool</a></p><p></p><p>Please keep in mind this performance is <em>estimated</em> at this point. Estimations are usually accurate to within +/-4 or 5%. We won't know the exact form factor and BC of this bullet till it's actually made and tested.</p><p></p><p>-Bryan</p></blockquote><p></p>
[QUOTE="BryanLitz, post: 608600, member: 7848"] The .338 does have a higher BC, but a great deal of that BC comes from mass (300 vs 195 grains). The .338 cal 300 grain hybrid has a G7 form factor of 0.895, which is extremely low drag. The estimated form factor of 0.850 for the 195 grain 7mm is about 5% lower drag than the .338 bullet. When talking about 'slick' shapes, and low drag, it's a discussion about form factor. BC is the combination of form factor and sectional density. For more background info on form factor, refer to this web-log article: [url=http://02b0516.netsolhost.com/blog1/?p=186]Berger Bulletin » Form Factors: A Useful Analysis Tool[/url] Please keep in mind this performance is [i]estimated[/i] at this point. Estimations are usually accurate to within +/-4 or 5%. We won't know the exact form factor and BC of this bullet till it's actually made and tested. -Bryan [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Berger to introduce 7mm 195 gr EOL Hybrid Hunting Bullet
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