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Rifles, Reloading, Optics, Equipment
Reloading
.270wsm and Bergers
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<blockquote data-quote="CogburnR" data-source="post: 891800" data-attributes="member: 29174"><p>In the Berger book most loads for the 150VLD top out at around 2900fps in a 26" barrel. I would say that your pressure is a little past saami max. 70,000 PSI or more might do it in a 2" shorter barrel like you have. In any case it does not compare to what the WSM would do at the same pressure level.</p><p></p><p>I have a 270 Sherman which is based on the 270Winny(+ 10% capacity) and it will do book 270wsm velocities in a 22" barrel but the brass won't hold primers after 5 loadings. Primers don't look bad and the bolt opens easily but 5 shots and the primers go in with a finger push(65g of rl22 and a 130vld 3100fps). I have shot the 165 Matrix at 2972fps in the 22" barrel. The 150 VLD and 63g of RL22 will do 2950fps in the 22" barrel.</p><p></p><p>I actually have been loading my 270WSM at 63g RL22 for 3000fps with the Berger 130 classic hunter. Not even a decent 270 load but I don't need it as I am only shooting deer to 500yards with it. Put a really big hole in a nice 6x5 at 346yards this fall.</p><p></p><p>I shot a doe with my 270 Sherman and the 130g vld with 64g RL22(3070fps) and most of the right side lung was hanging out of the exit hole in the ribcage.</p></blockquote><p></p>
[QUOTE="CogburnR, post: 891800, member: 29174"] In the Berger book most loads for the 150VLD top out at around 2900fps in a 26" barrel. I would say that your pressure is a little past saami max. 70,000 PSI or more might do it in a 2" shorter barrel like you have. In any case it does not compare to what the WSM would do at the same pressure level. I have a 270 Sherman which is based on the 270Winny(+ 10% capacity) and it will do book 270wsm velocities in a 22" barrel but the brass won't hold primers after 5 loadings. Primers don't look bad and the bolt opens easily but 5 shots and the primers go in with a finger push(65g of rl22 and a 130vld 3100fps). I have shot the 165 Matrix at 2972fps in the 22" barrel. The 150 VLD and 63g of RL22 will do 2950fps in the 22" barrel. I actually have been loading my 270WSM at 63g RL22 for 3000fps with the Berger 130 classic hunter. Not even a decent 270 load but I don't need it as I am only shooting deer to 500yards with it. Put a really big hole in a nice 6x5 at 346yards this fall. I shot a doe with my 270 Sherman and the 130g vld with 64g RL22(3070fps) and most of the right side lung was hanging out of the exit hole in the ribcage. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
.270wsm and Bergers
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