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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="MontanaRifleman" data-source="post: 897047" data-attributes="member: 11717"><p>The jacketed lead core bullets have the SD and form factor advantage over the mono's up to .308 cal or so. Once you start getting into larger diameters it becomes more challenging to build jacketed lead core bullets with good form factors. Joel Russo went out and shot 300 gr SMK's against 300 gr CEB's, same velocity, and the CEB's shot flatter. However he reported the jacketed bullets were more accurate.</p><p></p><p>Kiwi Greg shot 425 gr 375 cal CEB's to out past 2000 yds and reported a BC of about 1 based on required come ups and had good accuracy with them. You will never see a 375 cal 425 gr jacketed lead core bullet with a BC of 1 because the form factor can not be attained. It might be possible in a more rigid metal or alloy like tungsten but then you loose the expansion factor for a hunting bullet.</p><p></p><p>The only reason I would buy a standard cartridge 375 such as a Ruger or RUM, etc, would be for large dangerous game in Africa or big bears in Alaska. I do not consider them a long range cartridge in the way I consider a 300 RUM or 338 EDGE to be LR cartridges. The 375's don't compete with these IMO. I would consider a 375 CheyTac and if I ever built one it would have a gain twist to about 7.5" to shoot long heavy high BC mono's in the 1 BC class.</p><p></p><p>Now I know a few of you see things a little differently with the standard 375's but there are a lot of guys who think the same as I do. As long as there are the big 338's, I see no reason to get a 375 that shoots lesser BC bullets at lesser velocities. If I did get one, it would be a 375 LM Imp and I would shoot 350 CEB's through it with the appropriate twist barrel. They would go faster and have a higher BC than the 350 SMK or similar bullet.</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 897047, member: 11717"] The jacketed lead core bullets have the SD and form factor advantage over the mono's up to .308 cal or so. Once you start getting into larger diameters it becomes more challenging to build jacketed lead core bullets with good form factors. Joel Russo went out and shot 300 gr SMK's against 300 gr CEB's, same velocity, and the CEB's shot flatter. However he reported the jacketed bullets were more accurate. Kiwi Greg shot 425 gr 375 cal CEB's to out past 2000 yds and reported a BC of about 1 based on required come ups and had good accuracy with them. You will never see a 375 cal 425 gr jacketed lead core bullet with a BC of 1 because the form factor can not be attained. It might be possible in a more rigid metal or alloy like tungsten but then you loose the expansion factor for a hunting bullet. The only reason I would buy a standard cartridge 375 such as a Ruger or RUM, etc, would be for large dangerous game in Africa or big bears in Alaska. I do not consider them a long range cartridge in the way I consider a 300 RUM or 338 EDGE to be LR cartridges. The 375's don't compete with these IMO. I would consider a 375 CheyTac and if I ever built one it would have a gain twist to about 7.5" to shoot long heavy high BC mono's in the 1 BC class. Now I know a few of you see things a little differently with the standard 375's but there are a lot of guys who think the same as I do. As long as there are the big 338's, I see no reason to get a 375 that shoots lesser BC bullets at lesser velocities. If I did get one, it would be a 375 LM Imp and I would shoot 350 CEB's through it with the appropriate twist barrel. They would go faster and have a higher BC than the 350 SMK or similar bullet. [/QUOTE]
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375 Caliber A-max...might be a possibility. Please read.
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