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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
375 Caliber A-max...might be a possibility. Please read.
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<blockquote data-quote="Lefty7mmstw" data-source="post: 896962" data-attributes="member: 48043"><p>They've already got the 250 gmx design. Add a bit of heft with a lead or Silvex rear core (Silvex would keep it "green") and a more aggresive boat tail and you'd have a 375 cal pill with around 280 grains weight, enough slipstream to beat .500 bc a good bit, and dense enough to still have powder capacity in the smaller 375's. The bullet could be extended for the heavy bullet guys with rums and 378's. </p><p> </p><p>Using 200 yard zero and a .550bc 280 grain 375 cal. slug doing 2800 fps you are 304 inches down at 1000 yards. Bumping it to 3000 fps gets you to 260 inches drop.</p><p> </p><p>Using the 250 gmx with its .430 bc and 2900 fps and a 200 yard zero you are 340 inches down at 1000 yards.</p><p> </p><p>These compare to the 300 grain berger with its .818 bc at 2750 fps out of a larger 338. using the same 200 yard zero that pill is down 257.6 inches at 100 yards.</p><p> </p><p>By using a decent capacity 375 you could run with the 338's and hit them with a good bit fatter slug to boot. </p><p> </p><p>An observation... none beat my 7stw with only 212 inches drop with a 140 nosler ( 200 yd zero) starting at 3400 fps. If my 150 lrab load is as good as it looks I'll shave another 6% off of my drop.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 896962, member: 48043"] They've already got the 250 gmx design. Add a bit of heft with a lead or Silvex rear core (Silvex would keep it "green") and a more aggresive boat tail and you'd have a 375 cal pill with around 280 grains weight, enough slipstream to beat .500 bc a good bit, and dense enough to still have powder capacity in the smaller 375's. The bullet could be extended for the heavy bullet guys with rums and 378's. Using 200 yard zero and a .550bc 280 grain 375 cal. slug doing 2800 fps you are 304 inches down at 1000 yards. Bumping it to 3000 fps gets you to 260 inches drop. Using the 250 gmx with its .430 bc and 2900 fps and a 200 yard zero you are 340 inches down at 1000 yards. These compare to the 300 grain berger with its .818 bc at 2750 fps out of a larger 338. using the same 200 yard zero that pill is down 257.6 inches at 100 yards. By using a decent capacity 375 you could run with the 338's and hit them with a good bit fatter slug to boot. An observation... none beat my 7stw with only 212 inches drop with a 140 nosler ( 200 yd zero) starting at 3400 fps. If my 150 lrab load is as good as it looks I'll shave another 6% off of my drop. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
375 Caliber A-max...might be a possibility. Please read.
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