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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How do I get my extreme deviation or spread DOWN?
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<blockquote data-quote="Mikecr" data-source="post: 840843" data-attributes="member: 1521"><p>I agree with folks about the chronograph issues. It wasn't until I went to 20' screen spacing with an Oehler, that I could see ES really well.</p><p>Other things</p><p>Weighed charges of course</p><p>Load development/components/seating depth/Load density</p><p>Consistent neck tension</p><p>Hold, as Bart mentioned</p><p>Consistent sizing as measured</p><p>Consistent fouling(oil burnt out/removed) and shot timing/bore temps</p><p>Matched case H20 capacities(as properly measured)</p><p>Firing pin/spring/trigger/action timing settings</p><p>Reduced chamber end clearances(trim length)</p><p>Reduced neck and throat clearances</p><p>Consistent shell loading with low load density loads</p><p>Lower muzzle pressures(long enough barrel for load)</p><p>Faster powders + higher pressures + good load density + low muzzle pressures (ala underbore BR cartridges)</p></blockquote><p></p>
[QUOTE="Mikecr, post: 840843, member: 1521"] I agree with folks about the chronograph issues. It wasn't until I went to 20' screen spacing with an Oehler, that I could see ES really well. Other things Weighed charges of course Load development/components/seating depth/Load density Consistent neck tension Hold, as Bart mentioned Consistent sizing as measured Consistent fouling(oil burnt out/removed) and shot timing/bore temps Matched case H20 capacities(as properly measured) Firing pin/spring/trigger/action timing settings Reduced chamber end clearances(trim length) Reduced neck and throat clearances Consistent shell loading with low load density loads Lower muzzle pressures(long enough barrel for load) Faster powders + higher pressures + good load density + low muzzle pressures (ala underbore BR cartridges) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How do I get my extreme deviation or spread DOWN?
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