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Rifles, Reloading, Optics, Equipment
Reloading
Accuracy versus velocity
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<blockquote data-quote="benchracer" data-source="post: 1867279" data-attributes="member: 22069"><p>The idea that accuracy and velocity are competing objectives is a False Premise. With modern powders, the high node often appears near max.</p><p></p><p>Over and over, I see people make statements about ceasing load development because groups opened up above a certain velocity or powder charge. People who do this are often leaving quite a bit of performance on the table because they stopped testing well short of max, never reaching the high node (where groups tighten again). The high node with modern powders is often MORE consistent than the node below it. ES and SD numbers from a chronograph will often reflect this.</p><p></p><p>Treating accuracy and velocity as competing objectives is likely to rob the shooter of higher velocity, flatter trajectory, reduced wind drift, and possibly improved terminal performance, in addition to greater consistency. This is true, regardless of the range to target. A shorter range to target only makes these factors less observable.</p><p></p><p>Accuracy and Velocity are NOT trade-offs. They are COMPLEMENTARY to one another. Is it possible that a given rifle, with a given component combination will be more accurate at a lower node? Of course it is! But, if BOTH the lower node and the high node are not tested, it is not possible to know. People who accept the idea that accuracy and velocity are competing objectives WILL NEVER KNOW!</p></blockquote><p></p>
[QUOTE="benchracer, post: 1867279, member: 22069"] The idea that accuracy and velocity are competing objectives is a False Premise. With modern powders, the high node often appears near max. Over and over, I see people make statements about ceasing load development because groups opened up above a certain velocity or powder charge. People who do this are often leaving quite a bit of performance on the table because they stopped testing well short of max, never reaching the high node (where groups tighten again). The high node with modern powders is often MORE consistent than the node below it. ES and SD numbers from a chronograph will often reflect this. Treating accuracy and velocity as competing objectives is likely to rob the shooter of higher velocity, flatter trajectory, reduced wind drift, and possibly improved terminal performance, in addition to greater consistency. This is true, regardless of the range to target. A shorter range to target only makes these factors less observable. Accuracy and Velocity are NOT trade-offs. They are COMPLEMENTARY to one another. Is it possible that a given rifle, with a given component combination will be more accurate at a lower node? Of course it is! But, if BOTH the lower node and the high node are not tested, it is not possible to know. People who accept the idea that accuracy and velocity are competing objectives WILL NEVER KNOW! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Accuracy versus velocity
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