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Hunting
Long Range Hunting & Shooting
Barrel length vs velocity
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<blockquote data-quote="lancetkenyon" data-source="post: 2810077" data-attributes="member: 68875"><p>Still comparing two different barrels. I have even seen weird things when comparing same length barrels. Sometimes up to 100+ fps between same-length barrels. </p><p> </p><p>No two barrels will be exactly the same. </p><p></p><p>I had a 26" Proof 6.5SS that would pressure up about 2.4gr lower charge weight than a 20" 6.5SS. So final max loads were nearly the same velocity, just due to the 20" being able to take more powder.</p></blockquote><p></p>
[QUOTE="lancetkenyon, post: 2810077, member: 68875"] Still comparing two different barrels. I have even seen weird things when comparing same length barrels. Sometimes up to 100+ fps between same-length barrels. No two barrels will be exactly the same. I had a 26" Proof 6.5SS that would pressure up about 2.4gr lower charge weight than a 20" 6.5SS. So final max loads were nearly the same velocity, just due to the 20" being able to take more powder. [/QUOTE]
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Barrel length vs velocity
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