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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
barrel lengths per cartridge decisions
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<blockquote data-quote="jrock" data-source="post: 3058269" data-attributes="member: 78569"><p>My rule of thumb is for 308 based cases, 18" and 20" for full sized magnums are the point where the velocity starts to drop non-linearly. Short mags can do well in 18" barrels as well. Take 2 more inches off those numbers and the fps per inch really starts to fall off. With more suppressors hitting the market, I'm cutting barrels shorter and shorter for customers. Personal preference and style of hunting also plays a role in determining barrel length. If I had to pick one length overall, 20" would be the number. Adding a 7" suppressor to that isn't unreasonably long. One can offset the length by adding a folding stock as well. </p><p></p><p>Now my personal preference is for speed. I have 24" plus barrels on my rifles.</p></blockquote><p></p>
[QUOTE="jrock, post: 3058269, member: 78569"] My rule of thumb is for 308 based cases, 18" and 20" for full sized magnums are the point where the velocity starts to drop non-linearly. Short mags can do well in 18" barrels as well. Take 2 more inches off those numbers and the fps per inch really starts to fall off. With more suppressors hitting the market, I'm cutting barrels shorter and shorter for customers. Personal preference and style of hunting also plays a role in determining barrel length. If I had to pick one length overall, 20" would be the number. Adding a 7" suppressor to that isn't unreasonably long. One can offset the length by adding a folding stock as well. Now my personal preference is for speed. I have 24" plus barrels on my rifles. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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barrel lengths per cartridge decisions
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