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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
284 rebarrel
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<blockquote data-quote="eddybo" data-source="post: 471770" data-attributes="member: 7194"><p>Please post a link showing that the 6.5 140 berger has a higher BC than the 180 Berger, I think you are confused. </p><p> </p><p>BTW the reason for the 4 MOA differntial is that the 6.5 bullet left the muzzle at nearly 300 FPS faster than the 7mm 180. If they had left at the same velocity the 7MM would have had less drop. In a couple hundred more yards the 7mm will have less drop, because of its higher BC. I gave that example because I knew the ballistics off the top of my head because I shoot both.</p><p> </p><p>BTW I usually build WSMs on long actions. You forgot the lowly 7 Mag. Actually the 7 Mag or 7STW would be his best non-wildcat choice so that he does not have to open the feed rails as he will have to for all the UMs and WSMs. If he wants a wildcat a 7mm/300 Win would be about the best of both worlds.</p></blockquote><p></p>
[QUOTE="eddybo, post: 471770, member: 7194"] Please post a link showing that the 6.5 140 berger has a higher BC than the 180 Berger, I think you are confused. BTW the reason for the 4 MOA differntial is that the 6.5 bullet left the muzzle at nearly 300 FPS faster than the 7mm 180. If they had left at the same velocity the 7MM would have had less drop. In a couple hundred more yards the 7mm will have less drop, because of its higher BC. I gave that example because I knew the ballistics off the top of my head because I shoot both. BTW I usually build WSMs on long actions. You forgot the lowly 7 Mag. Actually the 7 Mag or 7STW would be his best non-wildcat choice so that he does not have to open the feed rails as he will have to for all the UMs and WSMs. If he wants a wildcat a 7mm/300 Win would be about the best of both worlds. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
284 rebarrel
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