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Rifles, Reloading, Optics, Equipment
Reloading
Concentricity .. how important?
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<blockquote data-quote="bigedp51" data-source="post: 1455992" data-attributes="member: 28965"><p>My point being it is the expander that can induce neck runout if the expander is not centered. "AND" the 6.5 Guys were getting less runout with the Forster dies and their high mounted expander than a Redding bushing die. And Forster recommended sizing the neck .004 smaller than a loaded round and use the expander on their honed dies. And Redding recommends about the same amount with their bushing dies if the necks are not turned and use the expander that comes with the bushing dies. </p><p></p><p>At the Whidden custom die website they tell you they get the most concentric cases from non-bushing full length dies. And at the Whidden site they also sell expander kits with five expanders from bullet diameter to .004 under bullet diameter.</p><p></p><p>This is where a neck thickness gauge and a runout gauges comes into play, and finding out what is causing the runout and fixing the problem.</p></blockquote><p></p>
[QUOTE="bigedp51, post: 1455992, member: 28965"] My point being it is the expander that can induce neck runout if the expander is not centered. "AND" the 6.5 Guys were getting less runout with the Forster dies and their high mounted expander than a Redding bushing die. And Forster recommended sizing the neck .004 smaller than a loaded round and use the expander on their honed dies. And Redding recommends about the same amount with their bushing dies if the necks are not turned and use the expander that comes with the bushing dies. At the Whidden custom die website they tell you they get the most concentric cases from non-bushing full length dies. And at the Whidden site they also sell expander kits with five expanders from bullet diameter to .004 under bullet diameter. This is where a neck thickness gauge and a runout gauges comes into play, and finding out what is causing the runout and fixing the problem. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Concentricity .. how important?
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