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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm Rem. Mag. vs. 7mm Weatherby
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<blockquote data-quote="Trickymissfit" data-source="post: 905663" data-attributes="member: 25383"><p>just looking in manual I see about 3000fps with a 175 grain bullet in the 7mm Rem mag. I see 3100fps with the same bullet in the Weatherby. I see 3100fps in the Hodgdon manual (H1000 & 5010) while the Hornaday manual shows 3000fps, but also using about 10% more powder. Kind of tells us that the Weatherby is about all the case volume that the .284 bore can handle. Compare this with the 7mm WSM and we see the velocity down about 100fps (maybe 130fps), but using 10% less powder than the WBY mag (compared to the STW velocities). To add further insult, compare the 7mmx57AI to the mags, and we see another story. 2700fps with the same bullet using less than 53 grains of powder. Or even more with the .280AI, and still less than 60 grains of powder.</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 905663, member: 25383"] just looking in manual I see about 3000fps with a 175 grain bullet in the 7mm Rem mag. I see 3100fps with the same bullet in the Weatherby. I see 3100fps in the Hodgdon manual (H1000 & 5010) while the Hornaday manual shows 3000fps, but also using about 10% more powder. Kind of tells us that the Weatherby is about all the case volume that the .284 bore can handle. Compare this with the 7mm WSM and we see the velocity down about 100fps (maybe 130fps), but using 10% less powder than the WBY mag (compared to the STW velocities). To add further insult, compare the 7mmx57AI to the mags, and we see another story. 2700fps with the same bullet using less than 53 grains of powder. Or even more with the .280AI, and still less than 60 grains of powder. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm Rem. Mag. vs. 7mm Weatherby
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