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Hunting
Long Range Hunting & Shooting
Published Muzzle Velocities..accurate or not?
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<blockquote data-quote="Michael Eichele" data-source="post: 285938" data-attributes="member: 1007"><p>In most cases using a factory rifle AND factory loads together the published data is very close, like around 50-65 FPS worst case. Bear in mind this is NOT in all cases, just most. Now if youre using a custom bore and chamber, then all bets are off. I have seen factory loads completely seize a bolt down in a custom barrel. My 308 Hart barrel shoots Federal GMM 168's ant just under 2800 FPS and are published at 2600. In factory sticks, 2600 seems to about right +/-. In every case, shooting loads over a chrony is by far the best method regardless of ammo type.</p></blockquote><p></p>
[QUOTE="Michael Eichele, post: 285938, member: 1007"] In most cases using a factory rifle AND factory loads together the published data is very close, like around 50-65 FPS worst case. Bear in mind this is NOT in all cases, just most. Now if youre using a custom bore and chamber, then all bets are off. I have seen factory loads completely seize a bolt down in a custom barrel. My 308 Hart barrel shoots Federal GMM 168's ant just under 2800 FPS and are published at 2600. In factory sticks, 2600 seems to about right +/-. In every case, shooting loads over a chrony is by far the best method regardless of ammo type. [/QUOTE]
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Published Muzzle Velocities..accurate or not?
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