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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Where has my velocity gone??
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<blockquote data-quote="CatShooter" data-source="post: 160731" data-attributes="member: 7"><p>That 60 fps loss is NOTHING.</p><p></p><p>Rifles do not hve the same velocity with the same ammo - even if they're brand new.</p><p></p><p>Some years back, I chrono'ed a group of 308 rifles with Fed GM match. The high was 2725 and the low was 2550. All rifles were low round count, good barrels.</p><p></p><p>27-3/8" = 2725 fps</p><p>26" = 2550 fps</p><p>26" = 2570 fps</p><p>24" = 2685 fps.</p><p></p><p>So don't worry.</p></blockquote><p></p>
[QUOTE="CatShooter, post: 160731, member: 7"] That 60 fps loss is NOTHING. Rifles do not hve the same velocity with the same ammo - even if they're brand new. Some years back, I chrono'ed a group of 308 rifles with Fed GM match. The high was 2725 and the low was 2550. All rifles were low round count, good barrels. 27-3/8" = 2725 fps 26" = 2550 fps 26" = 2570 fps 24" = 2685 fps. So don't worry. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Where has my velocity gone??
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