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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Why Is My .280 AI so slow?
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<blockquote data-quote="royinidaho" data-source="post: 662098" data-attributes="member: 2011"><p>Some barrels are simply "slow". I've had two Lilja, noted for tight bores, barrels on the same rifle. The shorter 28" barrel gives identical velocities as the 30" barrel with two or three grains less powder.</p><p></p><p>I have another rig, 270 Win with a 10 twist Lilja that reaches "pressure" suddenly and way too soon. This is the second barrel on the rifle. The first was a Douglas premium circa 1966 chambered by a local smith. I can't match the 24" Douglas velocities with the 27" Lilja. Hmmm</p><p></p><p>However, this 270 Win with 55 gr 7828ssc gave a 3-shot string velocity of 2998/3006/3016 w/158 grain bastardized Nosler Balistic tips. Too bad it was way over pressure. Droping 3 grains would be about right.</p><p></p><p>Thus, I chime in with "may be that your barrel is simply slow????</p></blockquote><p></p>
[QUOTE="royinidaho, post: 662098, member: 2011"] Some barrels are simply "slow". I've had two Lilja, noted for tight bores, barrels on the same rifle. The shorter 28" barrel gives identical velocities as the 30" barrel with two or three grains less powder. I have another rig, 270 Win with a 10 twist Lilja that reaches "pressure" suddenly and way too soon. This is the second barrel on the rifle. The first was a Douglas premium circa 1966 chambered by a local smith. I can't match the 24" Douglas velocities with the 27" Lilja. Hmmm However, this 270 Win with 55 gr 7828ssc gave a 3-shot string velocity of 2998/3006/3016 w/158 grain bastardized Nosler Balistic tips. Too bad it was way over pressure. Droping 3 grains would be about right. Thus, I chime in with "may be that your barrel is simply slow???? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Why Is My .280 AI so slow?
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