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Rifles, Reloading, Optics, Equipment
Reloading
Pressure issues reloading for Christensen
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<blockquote data-quote="Lazyace" data-source="post: 1990576" data-attributes="member: 115558"><p>I've got a Christensen in 6.5x284, 26" bbl. that I started working up hunting loads for. The problem is that I experienced very high pressures approaching max loads. Very tight bolts and extractor marks on cases. Those were still only at 2800-2900 fps. I've tried RL22, RL25 and 4831SC with both Berger 140 and 156 gr. Elite Hunter and Fed 215 primers. I spoke with Berger and they said that Christensen barrels and actions had very tight tolerances and most people had to adjust down to starting loads. The folks at Christensen are no help at all.</p><p></p><p>I've cut my loads and came up with the best accuracy being 47 gr. of 4831SC but now I'm only pushing 2575 FPS. My COAL is 3.275 which I think is about .035 off the lands. Question is, what can I do to get more velocity while staying away from the pressure issues? This rifle should easily shoot 3000 fps, but i can't get close. I'll be using this for LR elk and mule deer. Out to 800 yards.</p></blockquote><p></p>
[QUOTE="Lazyace, post: 1990576, member: 115558"] I've got a Christensen in 6.5x284, 26" bbl. that I started working up hunting loads for. The problem is that I experienced very high pressures approaching max loads. Very tight bolts and extractor marks on cases. Those were still only at 2800-2900 fps. I've tried RL22, RL25 and 4831SC with both Berger 140 and 156 gr. Elite Hunter and Fed 215 primers. I spoke with Berger and they said that Christensen barrels and actions had very tight tolerances and most people had to adjust down to starting loads. The folks at Christensen are no help at all. I've cut my loads and came up with the best accuracy being 47 gr. of 4831SC but now I'm only pushing 2575 FPS. My COAL is 3.275 which I think is about .035 off the lands. Question is, what can I do to get more velocity while staying away from the pressure issues? This rifle should easily shoot 3000 fps, but i can't get close. I'll be using this for LR elk and mule deer. Out to 800 yards. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Pressure issues reloading for Christensen
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