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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Importance of case head thickness relating to accuracy
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<blockquote data-quote="Michael Eichele" data-source="post: 26268" data-attributes="member: 1007"><p>.002" is not much, depending on how tight your chamber neck is, that may or may not do much. Primer pocket uniforming is good but you still have to be careful as to how much pressure you use in seating them. You can deform the inside with too much pressure. When you feel them want to stop, you should stop. Never "mash" them in. </p><p></p><p>Have you tried primer flash hole de-burring? That can also have an effect. </p><p></p><p>You are right about case volume. Most of the time, if cases are used off of the same lot and dont deviate more than 2 grain, they should work well. </p><p></p><p>Are you checking your seating depths with a comparator each time you load a round while you are trying and eliminate this bug? Also are you abbsolutly sure your case necks are STRAIGHT?? The .25-.5" fliers sounds to me like crooked necks, which in turn hold bullets crooked.</p><p></p><p>Also let me know what bullet you are using and get me dimensions of the, ie overall length, boat tail legnth, base diameter and nose legnth. And weight. Also what is the average velocity with this bullet?</p></blockquote><p></p>
[QUOTE="Michael Eichele, post: 26268, member: 1007"] .002" is not much, depending on how tight your chamber neck is, that may or may not do much. Primer pocket uniforming is good but you still have to be careful as to how much pressure you use in seating them. You can deform the inside with too much pressure. When you feel them want to stop, you should stop. Never "mash" them in. Have you tried primer flash hole de-burring? That can also have an effect. You are right about case volume. Most of the time, if cases are used off of the same lot and dont deviate more than 2 grain, they should work well. Are you checking your seating depths with a comparator each time you load a round while you are trying and eliminate this bug? Also are you abbsolutly sure your case necks are STRAIGHT?? The .25-.5" fliers sounds to me like crooked necks, which in turn hold bullets crooked. Also let me know what bullet you are using and get me dimensions of the, ie overall length, boat tail legnth, base diameter and nose legnth. And weight. Also what is the average velocity with this bullet? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Importance of case head thickness relating to accuracy
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