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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Winchester Model 70 .280 Remington upgrade to AI
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<blockquote data-quote="Bob Wright" data-source="post: 2040074" data-attributes="member: 104363"><p>I was "fortunate" to have a worn out 7RM, and switched it to a 280AI just on what I studied here. It went to a 26" with a brake and without pushing too hard with Nosler brass, I'm getting 3100 fps. Leaving a lot on the table with Nosler brass. It's a tough call for the OP, I'm sure. Peterson brass is loaded now to see if i can grab that next node at 3200.</p><p>Just try that next powder and primer and see if you can squeeze some velocity. Then go for a chamber job if you want. The AI will show you where your twist limits will decide bullet configuration.</p></blockquote><p></p>
[QUOTE="Bob Wright, post: 2040074, member: 104363"] I was "fortunate" to have a worn out 7RM, and switched it to a 280AI just on what I studied here. It went to a 26" with a brake and without pushing too hard with Nosler brass, I'm getting 3100 fps. Leaving a lot on the table with Nosler brass. It's a tough call for the OP, I'm sure. Peterson brass is loaded now to see if i can grab that next node at 3200. Just try that next powder and primer and see if you can squeeze some velocity. Then go for a chamber job if you want. The AI will show you where your twist limits will decide bullet configuration. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Winchester Model 70 .280 Remington upgrade to AI
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