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Rifles, Reloading, Optics, Equipment
Reloading
Trick to jumping bullets???
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<blockquote data-quote="tim jurczak" data-source="post: 528272" data-attributes="member: 14869"><p>Here is the latest. I went to the range with some 129 gr interbonds loaded at mag length. I did not even bother to measure jump this time as it has to be at least 50'thou. First I started working up with WC872 and as usual 1 1/2 groups. I brought my chrono along this time and realized I was getting ES around 75fps. Upper loads hovered around 3500 fps. Then I cleaned the bore and tried IMR 7828. First two groups measured 3/8" and 1/2"! Hurrah! Moved up anouther grain pressures were too high and velocity had peaked. Also groups got larger. ES with 7828 were around 40, and top velo was 3455 fps. I guess the moral of the story is what? </p><p> I have been pondering every responds I have received and plan to try some barnes bullets. I have already switched primers and am going to see how it shoots single shot. Thanks, tim</p></blockquote><p></p>
[QUOTE="tim jurczak, post: 528272, member: 14869"] Here is the latest. I went to the range with some 129 gr interbonds loaded at mag length. I did not even bother to measure jump this time as it has to be at least 50'thou. First I started working up with WC872 and as usual 1 1/2 groups. I brought my chrono along this time and realized I was getting ES around 75fps. Upper loads hovered around 3500 fps. Then I cleaned the bore and tried IMR 7828. First two groups measured 3/8" and 1/2"! Hurrah! Moved up anouther grain pressures were too high and velocity had peaked. Also groups got larger. ES with 7828 were around 40, and top velo was 3455 fps. I guess the moral of the story is what? I have been pondering every responds I have received and plan to try some barnes bullets. I have already switched primers and am going to see how it shoots single shot. Thanks, tim [/QUOTE]
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Reloading
Trick to jumping bullets???
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