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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
barrel length and bore size
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<blockquote data-quote="WildRose" data-source="post: 1259499" data-attributes="member: 30902"><p>There is no relationship between barrel length and caliber.</p><p></p><p>Optimal barrel length is based on case size, bullet weight, and desired velocity.</p><p></p><p>The longer the barrel the slower the powders you can use and get more velocity with less pressure giving you better barrel life due to reduced throat erosion.</p><p></p><p>20" and under is more than adequate for .308win and smaller cases with any powder.</p><p></p><p>Longer barrels and slower powders are what allow us to achieve high velocities with the larger cases in the "magnum" calibers.</p></blockquote><p></p>
[QUOTE="WildRose, post: 1259499, member: 30902"] There is no relationship between barrel length and caliber. Optimal barrel length is based on case size, bullet weight, and desired velocity. The longer the barrel the slower the powders you can use and get more velocity with less pressure giving you better barrel life due to reduced throat erosion. 20" and under is more than adequate for .308win and smaller cases with any powder. Longer barrels and slower powders are what allow us to achieve high velocities with the larger cases in the "magnum" calibers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
barrel length and bore size
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