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Rifles, Reloading, Optics, Equipment
Reloading
7mm WSM or 7mm/300 WSM or 7mm/270 WSM
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<blockquote data-quote="FURMAN" data-source="post: 1539117" data-attributes="member: 26535"><p>Are you asking why a 300 WSM is faster with a 150 than a 7 with a 150? If that is the question it is because the 300 has a larger bore and pressure will be lower so you can increase powder charge. The 7 will most likely have a higher ballistic coefficient had have less drop and wind deflection. I personally only shoot large for caliber bullets. I would NEVER shoot a 150 in a 30 cal. If you want 140-150 bullets go 6.5. If you want 180s go 7. If you want bigger(200,210,215) go 30. Then find the case to push them your desired velocity.</p></blockquote><p></p>
[QUOTE="FURMAN, post: 1539117, member: 26535"] Are you asking why a 300 WSM is faster with a 150 than a 7 with a 150? If that is the question it is because the 300 has a larger bore and pressure will be lower so you can increase powder charge. The 7 will most likely have a higher ballistic coefficient had have less drop and wind deflection. I personally only shoot large for caliber bullets. I would NEVER shoot a 150 in a 30 cal. If you want 140-150 bullets go 6.5. If you want 180s go 7. If you want bigger(200,210,215) go 30. Then find the case to push them your desired velocity. [/QUOTE]
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Forums
Rifles, Reloading, Optics, Equipment
Reloading
7mm WSM or 7mm/300 WSM or 7mm/270 WSM
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