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Hunting
Long Range Hunting & Shooting
Barrel speed up
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<blockquote data-quote="MTLIVIN" data-source="post: 1422048" data-attributes="member: 42384"><p>I'm not a barrel making expert, but my engineer brain tells me the only possible answer is the coefficient of friction is slightly increasing up to or around the 100 shot mark. To get higher velocity with everything else the same, you need more friction and thus more pressure. With hand lapped barrels this makes perfect sense to me, cheap factory barrels I'm perplexed. I've experienced this on all of my new barrels now that I actually track velocity on regular intervals.</p></blockquote><p></p>
[QUOTE="MTLIVIN, post: 1422048, member: 42384"] I'm not a barrel making expert, but my engineer brain tells me the only possible answer is the coefficient of friction is slightly increasing up to or around the 100 shot mark. To get higher velocity with everything else the same, you need more friction and thus more pressure. With hand lapped barrels this makes perfect sense to me, cheap factory barrels I'm perplexed. I've experienced this on all of my new barrels now that I actually track velocity on regular intervals. [/QUOTE]
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