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Rifles, Reloading, Optics, Equipment
Reloading
How do you lower S.D.?
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<blockquote data-quote="KQguy" data-source="post: 188052" data-attributes="member: 9704"><p>What is the biggest culprit of a large spread in S.D.?I am trying to lower mine on a 300 win mag load(180gr. SMK)I have tried IMR7828 and H4350,WLMR primers and CCI primers,various seating depths.The best I have gotten was about 60.I am shooting a Browning A bolt,maybe that is the problem?</p><p>My groups are any where from 1 1/2''-2 1/2'' @ 100yds.I am sure I can tighten these groups up if I could get more consistant velocities,I am not sure where to start.</p></blockquote><p></p>
[QUOTE="KQguy, post: 188052, member: 9704"] What is the biggest culprit of a large spread in S.D.?I am trying to lower mine on a 300 win mag load(180gr. SMK)I have tried IMR7828 and H4350,WLMR primers and CCI primers,various seating depths.The best I have gotten was about 60.I am shooting a Browning A bolt,maybe that is the problem? My groups are any where from 1 1/2''-2 1/2'' @ 100yds.I am sure I can tighten these groups up if I could get more consistant velocities,I am not sure where to start. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How do you lower S.D.?
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