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Rifles, Reloading, Optics, Equipment
Reloading
How do you eliminate runout
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<blockquote data-quote="Mikecr" data-source="post: 1912482" data-attributes="member: 1521"><p>While a tight throat is good IMO, it doesn't actually center WHERE the chambered bullet is pointing.</p><p>Look at the length of throat -vs- length of loaded ammo. That throat is a small fulcrum in this respect, and it is also a pressure point when ammo runout is high.</p><p>Pressure points, anywhere in the shooting system, are bad things.</p><p></p><p>But, the reason the throat doesn't hurt much as a pressure point(until extreme) -is because it's just a small fulcrum, about which the chambered ammo can settle into alignment, given clearance to do so.</p><p></p><p>The whole thing with runout is a loop. Either a big loop (with big clearances), or a small loop (with small clearances).</p><p>Big clearances lead to big runout, but it's ok to a point because of big clearances.</p><p>Small clearances lead to small runout, which is good because larger runout would shoot bad with small clearances.</p><p>Your sizing plan should account for this.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1912482, member: 1521"] While a tight throat is good IMO, it doesn't actually center WHERE the chambered bullet is pointing. Look at the length of throat -vs- length of loaded ammo. That throat is a small fulcrum in this respect, and it is also a pressure point when ammo runout is high. Pressure points, anywhere in the shooting system, are bad things. But, the reason the throat doesn't hurt much as a pressure point(until extreme) -is because it's just a small fulcrum, about which the chambered ammo can settle into alignment, given clearance to do so. The whole thing with runout is a loop. Either a big loop (with big clearances), or a small loop (with small clearances). Big clearances lead to big runout, but it's ok to a point because of big clearances. Small clearances lead to small runout, which is good because larger runout would shoot bad with small clearances. Your sizing plan should account for this. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How do you eliminate runout
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