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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.8 Western
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<blockquote data-quote="AZShooter" data-source="post: 2348215" data-attributes="member: 5219"><p>Based on what data is shown for the factory ammo and the limited load data on Hodgdon's site, the 6.8 Western is not a major improvement or for that matter an improvement at all when compared to the 7 Rem mag. In fact, it is closer to the performance of a 284 Win.</p><p></p><p></p><p><strong>From Guns and Ammo article on the 6.8 Western:</strong></p><p></p><p>all listed bullet BC is G1</p><p></p><p><strong>165 gr. Accubond LR — 2970 fps (bc .620) </strong></p><p><strong></strong></p><p><strong>130 gr. Ballistic Silvertip — 3275 fps (bc .433)</strong></p><p><strong></strong></p><p><strong>170 gr. Ballistic Silvertip — 2920 (bc .560) </strong></p><p></p><p> <strong>140 gr. AccuBond CT — 3200 (bc .433)</strong></p><p><strong></strong></p><p><strong>175 gr. Sierra Gameking – 2835 (bc .560) </strong></p><p><strong></strong></p><p><strong> 150 gr. Ballistic Silvertip — 3120 (bc .496)</strong></p><p><strong></strong></p><p><strong>======</strong></p><p><strong></strong></p><p><strong>Hodgdon's site: </strong></p><p><strong>top load for 170 Berger EOL ---- 2938 top load listed (bc .662)</strong></p><p><strong>top load for 165 Nosler LR accubond --- 2956 (bc .620)</strong></p><p></p><p>My short action 23" 284 Win sporter using OAL of 3.025" shooting a 168 Berger VLD (bc .618) has a velocity of 2925 fps. Crunching the numbers this puts the 6.8 Western's performance just slightly ahead of this particular 284 Win.</p><p></p><p>Using JBM and all inputs the same (4000 ft 65 degrees 3" high at 100 yds etc) here are the 500 yd comparisons: 6.8 Western 165 LR accubond 2970 fps vs 284 win 168 Berger VLD 2925 fps</p><p></p><p><strong>6.8 Western drop -25" 9.6 drift in 10 mph crosswind vel 2422 fps energy 2149 ft/lb</strong></p><p><strong>284 Win drop -26.3" 9.6" " " " " " vel 2390 fps energy 2131 ft/lb </strong></p><p></p><p>I would imagine with the larger case capacity of the 6.8 Western that a handloader might be able to improve on the performance of factory ammo but it will never equal a 7 Rem mag.</p></blockquote><p></p>
[QUOTE="AZShooter, post: 2348215, member: 5219"] Based on what data is shown for the factory ammo and the limited load data on Hodgdon's site, the 6.8 Western is not a major improvement or for that matter an improvement at all when compared to the 7 Rem mag. In fact, it is closer to the performance of a 284 Win. [B]From Guns and Ammo article on the 6.8 Western:[/B] all listed bullet BC is G1 [B]165 gr. Accubond LR — 2970 fps (bc .620) 130 gr. Ballistic Silvertip — 3275 fps (bc .433) 170 gr. Ballistic Silvertip — 2920 (bc .560) [/B] [B]140 gr. AccuBond CT — 3200 (bc .433) 175 gr. Sierra Gameking – 2835 (bc .560) 150 gr. Ballistic Silvertip — 3120 (bc .496) ====== Hodgdon's site: top load for 170 Berger EOL ---- 2938 top load listed (bc .662) top load for 165 Nosler LR accubond --- 2956 (bc .620)[/B] My short action 23" 284 Win sporter using OAL of 3.025" shooting a 168 Berger VLD (bc .618) has a velocity of 2925 fps. Crunching the numbers this puts the 6.8 Western's performance just slightly ahead of this particular 284 Win. Using JBM and all inputs the same (4000 ft 65 degrees 3" high at 100 yds etc) here are the 500 yd comparisons: 6.8 Western 165 LR accubond 2970 fps vs 284 win 168 Berger VLD 2925 fps [B]6.8 Western drop -25" 9.6 drift in 10 mph crosswind vel 2422 fps energy 2149 ft/lb 284 Win drop -26.3" 9.6" " " " " " vel 2390 fps energy 2131 ft/lb [/B] I would imagine with the larger case capacity of the 6.8 Western that a handloader might be able to improve on the performance of factory ammo but it will never equal a 7 Rem mag. [/QUOTE]
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