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Rifles, Reloading, Optics, Equipment
Reloading
200gr Swift A-frame Loads 300 win mag
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<blockquote data-quote="bearmn56" data-source="post: 1150714" data-attributes="member: 41378"><p>this is a follow up....never did get a response or any load data. Nosler accubond data is very conservative (I suspect that the bearing surface on this bullet is why). Starting with this data, I worked up a load that appears to align closely with the pressure/velocity data of the Accubond. I ultimately ended up with using 76.0 of H1000 for a velocity of 2840fps and no pressure signs. 78.0 Retumbo gives about the same velocity. I went as high as 80.0 of Retumbo which gave a little under 3000fps. No extraction problems but the primers were very flattened with a hint of cratering of the firing pin indentation...so backing of 2 grains and the primers from the H1000 and the Retumbo were very similar... cold and snowy right now in Montana so will wait for better weather to go to the range.</p><p> </p><p> Bearmn56</p><p> Montana Territory</p></blockquote><p></p>
[QUOTE="bearmn56, post: 1150714, member: 41378"] this is a follow up....never did get a response or any load data. Nosler accubond data is very conservative (I suspect that the bearing surface on this bullet is why). Starting with this data, I worked up a load that appears to align closely with the pressure/velocity data of the Accubond. I ultimately ended up with using 76.0 of H1000 for a velocity of 2840fps and no pressure signs. 78.0 Retumbo gives about the same velocity. I went as high as 80.0 of Retumbo which gave a little under 3000fps. No extraction problems but the primers were very flattened with a hint of cratering of the firing pin indentation...so backing of 2 grains and the primers from the H1000 and the Retumbo were very similar... cold and snowy right now in Montana so will wait for better weather to go to the range. Bearmn56 Montana Territory [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
200gr Swift A-frame Loads 300 win mag
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