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Long Range Hunting & Shooting
Warbird and 180gr velocities
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<blockquote data-quote="Fiftydriver" data-source="post: 156292" data-attributes="member: 10"><p>We ran my brothers Sako up as hard as we could with several powders to find the limits of this round. 3505 was the max we ever got with the 180 gr bullets and with Retumbo and only with the latest batch of brass.</p><p></p><p>H-1000 topped out at around 3425 fps, H-50BMG was limited to about the same because we ran out of case volume.</p><p></p><p>To be honest, the 7.82 Warbird is much closer to the 300 RUM in capacity then it is to the 30-378. The reason it can nearly match the 30-378 in performance is because in most cases, the Warbird case will handle more chamber pressure then the 30-378 case can in spite of its significant advantage in case capacity.</p><p></p><p>My 300 Allen Xpress which is based on the 338 Lapua case will easily match both with even less powder but this is simply because the Lapua case will handle significantly more chamber pressure then any of the chamberings mentioned.</p><p></p><p>The reason I designed my 300 AX was to offer ballistics equal to that of the 30-378 and Warbird but with brass that is MUCH better quality and to be honest, cheaper then either of these two options. Also, it is slightly shorter then the Warbird and alot shorter then the 30-378 so its easier to get into conventional length receivers.</p><p></p><p>With the warbird, I would say even in a 36" barrel you would still be limited to 3600 fps, maybe a tick more but not much more. Are you sure they were not talking about using a 150 gr bullet. I have read alot about guys using the 150s to 3700-3800 fps and the 130 gr barnes bullets to near 4000 fps. These do not cut it past 600 yards but out to that they are very flat shooting.</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 156292, member: 10"] We ran my brothers Sako up as hard as we could with several powders to find the limits of this round. 3505 was the max we ever got with the 180 gr bullets and with Retumbo and only with the latest batch of brass. H-1000 topped out at around 3425 fps, H-50BMG was limited to about the same because we ran out of case volume. To be honest, the 7.82 Warbird is much closer to the 300 RUM in capacity then it is to the 30-378. The reason it can nearly match the 30-378 in performance is because in most cases, the Warbird case will handle more chamber pressure then the 30-378 case can in spite of its significant advantage in case capacity. My 300 Allen Xpress which is based on the 338 Lapua case will easily match both with even less powder but this is simply because the Lapua case will handle significantly more chamber pressure then any of the chamberings mentioned. The reason I designed my 300 AX was to offer ballistics equal to that of the 30-378 and Warbird but with brass that is MUCH better quality and to be honest, cheaper then either of these two options. Also, it is slightly shorter then the Warbird and alot shorter then the 30-378 so its easier to get into conventional length receivers. With the warbird, I would say even in a 36" barrel you would still be limited to 3600 fps, maybe a tick more but not much more. Are you sure they were not talking about using a 150 gr bullet. I have read alot about guys using the 150s to 3700-3800 fps and the 130 gr barnes bullets to near 4000 fps. These do not cut it past 600 yards but out to that they are very flat shooting. Kirby Allen(50) [/QUOTE]
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Warbird and 180gr velocities
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