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Rifles, Reloading, Optics, Equipment
Reloading
7mm RM cases not fully fireforming to chamber
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<blockquote data-quote="Shootin4fun" data-source="post: 1309835" data-attributes="member: 28741"><p>New brass spring back makes sense. My logic on bumping the charge was that since case capacity will be greater on subsequent loading, pressure would be lower, but Broz's experience and conclusions actually makes more sense. </p><p></p><p>I'm going to replicate the previous loads in those cases next. But another variable will be changing neck tension. I got lucky first time out with the lightest load producing a .1 x .4" 3 shot group and the next one .1 x .7". .1 was the vertical, but I'm not convinced I'm at the OCW because they had a .7" horizontal offset from the point of aim.</p></blockquote><p></p>
[QUOTE="Shootin4fun, post: 1309835, member: 28741"] New brass spring back makes sense. My logic on bumping the charge was that since case capacity will be greater on subsequent loading, pressure would be lower, but Broz's experience and conclusions actually makes more sense. I'm going to replicate the previous loads in those cases next. But another variable will be changing neck tension. I got lucky first time out with the lightest load producing a .1 x .4" 3 shot group and the next one .1 x .7". .1 was the vertical, but I'm not convinced I'm at the OCW because they had a .7" horizontal offset from the point of aim. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm RM cases not fully fireforming to chamber
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