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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Bergers out.
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<blockquote data-quote="BryanLitz" data-source="post: 386834" data-attributes="member: 7848"><p>The G1 BC of the 300 grain Hybrid is .891. This is the <em><strong>average</strong></em> BC from 3000 fps to 1500 fps, just like all the other G1 BC's that Berger gives.</p><p></p><p>Velocity Banded, the G1 BC for the 300 grain Hybrid is:</p><p>Above 3000: 0.950</p><p>3000-2500: 0.933</p><p>2500-2000: 0.904</p><p>2000-1500: 0.848</p><p>Below 1500: 0.805</p><p></p><p>The G7 BC is .455.</p><p></p><p>The above values were <em>measured directly</em> using my normal procedures and equipment.</p><p></p><p>I was quite pleased that the estimate (.892) turned out so close to the measured value (.891) for this bullet. I attribute the near perfect estimate mostly to luck, as such estimations are normally only good to +/-10%.</p><p></p><p>According to the estimations, the VLD may only have a BC that's higher than the hybrid by ~2.5%. It's my prediction that the Hybrid will end up being more popular than the VLD because of the hybrids <em>demonstrated lack of sensitivity to seating depth</em>. In other words, you can spend your time and barrel life tweaking the VLD to get that extra 2.5% of BC, or you can choose the hybrid which is much easier to find precisely grouping loads and has almost equal ballistic performance.</p><p></p><p>The .338 caliber 300 grain Hybrid bullets have not been tested for terminal expansion yet so we cannot responsibly recommend them for hunting. Based on the results of terminal ballistics testing, we'll make an informed decision and recommendation regarding the suitability of these bullets for hunting applications.</p><p></p><p>-Bryan</p></blockquote><p></p>
[QUOTE="BryanLitz, post: 386834, member: 7848"] The G1 BC of the 300 grain Hybrid is .891. This is the [I][B]average[/B][/I] BC from 3000 fps to 1500 fps, just like all the other G1 BC's that Berger gives. Velocity Banded, the G1 BC for the 300 grain Hybrid is: Above 3000: 0.950 3000-2500: 0.933 2500-2000: 0.904 2000-1500: 0.848 Below 1500: 0.805 The G7 BC is .455. The above values were [I]measured directly[/I] using my normal procedures and equipment. I was quite pleased that the estimate (.892) turned out so close to the measured value (.891) for this bullet. I attribute the near perfect estimate mostly to luck, as such estimations are normally only good to +/-10%. According to the estimations, the VLD may only have a BC that's higher than the hybrid by ~2.5%. It's my prediction that the Hybrid will end up being more popular than the VLD because of the hybrids [I]demonstrated lack of sensitivity to seating depth[/I]. In other words, you can spend your time and barrel life tweaking the VLD to get that extra 2.5% of BC, or you can choose the hybrid which is much easier to find precisely grouping loads and has almost equal ballistic performance. The .338 caliber 300 grain Hybrid bullets have not been tested for terminal expansion yet so we cannot responsibly recommend them for hunting. Based on the results of terminal ballistics testing, we'll make an informed decision and recommendation regarding the suitability of these bullets for hunting applications. -Bryan [/QUOTE]
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338 Bergers out.
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