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Rifles, Reloading, Optics, Equipment
Reloading
Primers-fps
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<blockquote data-quote="Mikecr" data-source="post: 1220446" data-attributes="member: 1521"><p>It was pin protrusion that I was adjusting. All primers fired through adjustments.</p><p></p><p>But there are many attributes of striking, and I couldn't predict individual nor combination changes.</p><p>You have spring force, it's force curve, pin travel, protrusion & diameter, cocking piece mass and travel, sear release distance and clearance, primer cup thickness & hardness, and primer seating & preload, case headspacing. Well, there is at least that much with potential to affect us. Then you have the internal ballistic factors in ignition, which are many.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1220446, member: 1521"] It was pin protrusion that I was adjusting. All primers fired through adjustments. But there are many attributes of striking, and I couldn't predict individual nor combination changes. You have spring force, it's force curve, pin travel, protrusion & diameter, cocking piece mass and travel, sear release distance and clearance, primer cup thickness & hardness, and primer seating & preload, case headspacing. Well, there is at least that much with potential to affect us. Then you have the internal ballistic factors in ignition, which are many. [/QUOTE]
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