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Hunting
Extreme Long Range Hunting & Shooting (ELR)
bc vs velocity w/copper solids
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<blockquote data-quote="Gerard Schultz" data-source="post: 1114535" data-attributes="member: 51"><p>royinidaho and HarryN,</p><p></p><p>The best GSC bullet for a 1:10" twist would be the 355gr SP. The 330gr SP will also work but is intended for work from a slower twist rate or from a 1:10" if the distance varies from point blank to about 800yds. The technical profile on the website of both bullets is still in the old format where the new format profile contains more data and is clearer.</p><p></p><p>Perhaps it would be an idea to check that the barrel of your rifle is indeed a 1:10" twist. It is relatively easy to do and <a href="http://www.gsgroup.co.za/twistchecker.html" target="_blank">this device</a> can be made from a paperclip. Below is a 5 shot group that a GSC distributor shot at 1500yds with his 375CT. The rifle has a twist of 1:9" and he is using the 414gr SP. </p><p></p><p><img src="http://www.gscustomusa.com/3754141500yds.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Gerard Schultz, post: 1114535, member: 51"] royinidaho and HarryN, The best GSC bullet for a 1:10" twist would be the 355gr SP. The 330gr SP will also work but is intended for work from a slower twist rate or from a 1:10" if the distance varies from point blank to about 800yds. The technical profile on the website of both bullets is still in the old format where the new format profile contains more data and is clearer. Perhaps it would be an idea to check that the barrel of your rifle is indeed a 1:10" twist. It is relatively easy to do and [URL="http://www.gsgroup.co.za/twistchecker.html"]this device[/URL] can be made from a paperclip. Below is a 5 shot group that a GSC distributor shot at 1500yds with his 375CT. The rifle has a twist of 1:9" and he is using the 414gr SP. [IMG]http://www.gscustomusa.com/3754141500yds.jpg[/IMG] [/QUOTE]
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bc vs velocity w/copper solids
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