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6mm creedmoor opinions
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<blockquote data-quote="sable tireur" data-source="post: 1355681" data-attributes="member: 27307"><p>It is because of the laws of physics that these statements become true. As explained by 'desertcj' and in addition, the sloped shape of the .243 Win. case, the moderate shoulder angle of 20* and the shorter neck allows the burning powder and the plasma to escape the case uninterrupted, burning up through the throat area. Image it as being more of a torch-type effect where the flame bowl is unimpeded and spreads out.</p><p></p><p>The 6mm Creedmoor has a moderately improved case body and a steeper shoulder angle. these two features help to slow the powder exit from the case, getting it to burn more completely (efficiently) and the shoulder controls the angle of reflection of the plasma into the neck of the case rather than into the throat area. That which is not reflected exits in a straighter line down the bore rather than spreading out into the throat. </p><p></p><p>Less throat erosion, longer barrel life. </p><p></p><p>Regards.</p></blockquote><p></p>
[QUOTE="sable tireur, post: 1355681, member: 27307"] It is because of the laws of physics that these statements become true. As explained by 'desertcj' and in addition, the sloped shape of the .243 Win. case, the moderate shoulder angle of 20* and the shorter neck allows the burning powder and the plasma to escape the case uninterrupted, burning up through the throat area. Image it as being more of a torch-type effect where the flame bowl is unimpeded and spreads out. The 6mm Creedmoor has a moderately improved case body and a steeper shoulder angle. these two features help to slow the powder exit from the case, getting it to burn more completely (efficiently) and the shoulder controls the angle of reflection of the plasma into the neck of the case rather than into the throat area. That which is not reflected exits in a straighter line down the bore rather than spreading out into the throat. Less throat erosion, longer barrel life. Regards. [/QUOTE]
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