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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
max range 6.5 284
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<blockquote data-quote="Wingnut" data-source="post: 613293" data-attributes="member: 8721"><p>Derek, </p><p></p><p>You are right about using 59 grs of Retumbo for our 6.5x284 set ups with the 140 VLD. There were several reasons we did this. The first being the velocity. We were trying to get 3050 fps with a 26 in barrel and Retumbo was consistantly doing that for us. The second and probably the most important was the temperature stability. We tested hundreds of rounds through several different rifles and found Retumbo to be the most stable powder for minumum of 50 deg changes. Magnum tested well also but just not quite as good. As you know we run the bdc turrets so a stable velocity is what we were looking for. They switched to H1000 because the 59 grs of Retumbo was a compressed load even with a chamber throated for the vlds just into the neck of the cartridge. H1000 gave us velocities in the 3000 to 3025 fps range. I personally like the 4831SC especially in the WSM cartridges. The 6.5x284 with the 140 VLD is a great cartridge for large mule deer on down. It is a good elk cartridge out to 1000 yards just remember not to shoot them in the shoulder. Put it right behind the leg and through the vitals it will do the job every time.</p></blockquote><p></p>
[QUOTE="Wingnut, post: 613293, member: 8721"] Derek, You are right about using 59 grs of Retumbo for our 6.5x284 set ups with the 140 VLD. There were several reasons we did this. The first being the velocity. We were trying to get 3050 fps with a 26 in barrel and Retumbo was consistantly doing that for us. The second and probably the most important was the temperature stability. We tested hundreds of rounds through several different rifles and found Retumbo to be the most stable powder for minumum of 50 deg changes. Magnum tested well also but just not quite as good. As you know we run the bdc turrets so a stable velocity is what we were looking for. They switched to H1000 because the 59 grs of Retumbo was a compressed load even with a chamber throated for the vlds just into the neck of the cartridge. H1000 gave us velocities in the 3000 to 3025 fps range. I personally like the 4831SC especially in the WSM cartridges. The 6.5x284 with the 140 VLD is a great cartridge for large mule deer on down. It is a good elk cartridge out to 1000 yards just remember not to shoot them in the shoulder. Put it right behind the leg and through the vitals it will do the job every time. [/QUOTE]
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