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Short Mag fps
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<blockquote data-quote="goodgrouper" data-source="post: 203089" data-attributes="member: 2852"><p>I love the 270 wsm and the 7mm wsm. The 300 is another story. It could be made to be more than a glorified 30-06 if it was custom done with a long throated reamer and a long action but as is from the factory, it is pretty dissapointing.</p><p></p><p>140 Accubonds will get you 3100-3250 in the 270 WSM and crank gongs well at 1k.</p><p>160 Accubonds will go 3000-3100 in a 7 WSM and really hit gongs hard at 1k.</p><p></p><p>I've had great luck with IMR4831 and IMR4350 in the 270 and Imr 7828ssc works awesome in the 7.</p><p></p><p>The 300 WSM with 180's or 165's just doesn't hold enough powder if you are seating the bullets to work in any factory length magazine. It gives you a working grain capacity of 62 or 63 grains and that puts the optimum burn rate right in the H414, W760 range which stinks in my opinion. Ball powders are too unpredictable in temps swings to work well for long range in my opinion. IMR4007ssc is the only stick powder that is in this burn rate but it doesn't have the same pressure curves as ball powders, and although it shoots great in the 300 wsm, speeds are barely more than what I can wring from a 30-06.</p></blockquote><p></p>
[QUOTE="goodgrouper, post: 203089, member: 2852"] I love the 270 wsm and the 7mm wsm. The 300 is another story. It could be made to be more than a glorified 30-06 if it was custom done with a long throated reamer and a long action but as is from the factory, it is pretty dissapointing. 140 Accubonds will get you 3100-3250 in the 270 WSM and crank gongs well at 1k. 160 Accubonds will go 3000-3100 in a 7 WSM and really hit gongs hard at 1k. I've had great luck with IMR4831 and IMR4350 in the 270 and Imr 7828ssc works awesome in the 7. The 300 WSM with 180's or 165's just doesn't hold enough powder if you are seating the bullets to work in any factory length magazine. It gives you a working grain capacity of 62 or 63 grains and that puts the optimum burn rate right in the H414, W760 range which stinks in my opinion. Ball powders are too unpredictable in temps swings to work well for long range in my opinion. IMR4007ssc is the only stick powder that is in this burn rate but it doesn't have the same pressure curves as ball powders, and although it shoots great in the 300 wsm, speeds are barely more than what I can wring from a 30-06. [/QUOTE]
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