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Rifles, Reloading, Optics, Equipment
Reloading
308 nosler ablr o.a.l??
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<blockquote data-quote="Jed Eckert" data-source="post: 1963482" data-attributes="member: 111377"><p>Are you saying the gauge showed you your lands touch the bullet at 2.989 COAL?</p><p></p><p>Is your 2.810 measurement from factory ammo? Or Noslers book recommendation?</p><p>This may be based on industry standards</p><p></p><p>If your lands touch bullet at 2.989, now subtract from that how far you wanna start off lands. Use this dummy round you created, seat to that depth. Then measure CBTO on THAT DUMMY with THE SAME bullet. Like the same exact bullet. </p><p></p><p>then run a OCW test at that depth</p><p>Then mess with seating depth </p><p></p><p>then forget about COAL unless it's for mag limitations</p><p>Always now use CBTO. It does not vary as much as COAL (bullet tips may not be consistent or consistently measured.</p></blockquote><p></p>
[QUOTE="Jed Eckert, post: 1963482, member: 111377"] Are you saying the gauge showed you your lands touch the bullet at 2.989 COAL? Is your 2.810 measurement from factory ammo? Or Noslers book recommendation? This may be based on industry standards If your lands touch bullet at 2.989, now subtract from that how far you wanna start off lands. Use this dummy round you created, seat to that depth. Then measure CBTO on THAT DUMMY with THE SAME bullet. Like the same exact bullet. then run a OCW test at that depth Then mess with seating depth then forget about COAL unless it’s for mag limitations Always now use CBTO. It does not vary as much as COAL (bullet tips may not be consistent or consistently measured. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
308 nosler ablr o.a.l??
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