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Hunting
Long Range Hunting & Shooting
6.5 284 vs 260 ai
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<blockquote data-quote="codyadams" data-source="post: 1395958" data-attributes="member: 87243"><p>I will say, I talked to the guys at Extreme outer limits, and they loaded the first gen pre-production heavy Berger 6.5 (the 155) on mountain goats, in a 6.5x284 going 29XX fps, and they said they killed great. However, that is only 2 animals. Also, Broz documented a kill on a deer with the 155 as well, and reported typical great Berger performance. The bullet that will be coming out is a 156, as berger is redesigning the 155 because it did not achieve the bc they wanted, so apparently (according to shot show) it will be a 156. </p><p></p><p>As far as twist, if you live that high, I would go with a 7.5 twist is you plan on shooting the 150+ class bullets, or high bc mono's like Hammer bullets. If berger makes the 156 and recommends a 7 twist, at 9000 ft. A 7.5 will be fine. If you plan on shooting 120-130 class or lighter bullets (limiting the long range performance...) than go 8 or even 8.5 twist. If you just wanna use 140's, 8 twist.</p></blockquote><p></p>
[QUOTE="codyadams, post: 1395958, member: 87243"] I will say, I talked to the guys at Extreme outer limits, and they loaded the first gen pre-production heavy Berger 6.5 (the 155) on mountain goats, in a 6.5x284 going 29XX fps, and they said they killed great. However, that is only 2 animals. Also, Broz documented a kill on a deer with the 155 as well, and reported typical great Berger performance. The bullet that will be coming out is a 156, as berger is redesigning the 155 because it did not achieve the bc they wanted, so apparently (according to shot show) it will be a 156. As far as twist, if you live that high, I would go with a 7.5 twist is you plan on shooting the 150+ class bullets, or high bc mono's like Hammer bullets. If berger makes the 156 and recommends a 7 twist, at 9000 ft. A 7.5 will be fine. If you plan on shooting 120-130 class or lighter bullets (limiting the long range performance...) than go 8 or even 8.5 twist. If you just wanna use 140's, 8 twist. [/QUOTE]
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6.5 284 vs 260 ai
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