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Rifles, Reloading, Optics, Equipment
Reloading
Neck tension
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<blockquote data-quote="BrentM" data-source="post: 3066688" data-attributes="member: 61747"><p>Speaking of run out...... so I dug out my concentricity gauge last night...... Thinking about this thread the million different views and direction it has gone, one thing I recall is run out being brought up. I am currently running non turned adg brass for this chamber and decided to see if how bad run out is with my current choice. Loaded neck was .2945, .291 bushing, .292 K&M Mandrel. Based on my math we are .0025 and od is showing .292 on my calipers. I took 2 pieces of the adg brass and turned with a 33 degree cutter for .0005 cut. Total of .001 that cleans up 95% of the neck. Used a .290 bushing. </p><p></p><p>The turned brass is a little less run out but here's the deal, I loaded 25 rounds and the max RO was .002 and most were .001-.0015. I guess that's another vote for less neck tension on the neck sizing part of the process if run out is a big hang up for a person.</p></blockquote><p></p>
[QUOTE="BrentM, post: 3066688, member: 61747"] Speaking of run out...... so I dug out my concentricity gauge last night...... Thinking about this thread the million different views and direction it has gone, one thing I recall is run out being brought up. I am currently running non turned adg brass for this chamber and decided to see if how bad run out is with my current choice. Loaded neck was .2945, .291 bushing, .292 K&M Mandrel. Based on my math we are .0025 and od is showing .292 on my calipers. I took 2 pieces of the adg brass and turned with a 33 degree cutter for .0005 cut. Total of .001 that cleans up 95% of the neck. Used a .290 bushing. The turned brass is a little less run out but here's the deal, I loaded 25 rounds and the max RO was .002 and most were .001-.0015. I guess that's another vote for less neck tension on the neck sizing part of the process if run out is a big hang up for a person. [/QUOTE]
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Reloading
Neck tension
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