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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
opinions on rifle make & cal for long range rifle
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<blockquote data-quote="Bart B" data-source="post: 676628" data-attributes="member: 5302"><p>That may be different. But the only .300 Win. Mag. hunting rifle I had built shot various Remington, Winchester, and Federal factory hunting ammo with 150 and 180 grain bullets under 1 MOA through 300 yards. It's 26" long 1:12.7" twist Obermeyer 4-groove barrel had a SAAMI spec chamber, bore diameter of .2980" and a groove diameter of .3070". I doubt any factory barrel's got bore and groove diameters that small.</p></blockquote><p></p>
[QUOTE="Bart B, post: 676628, member: 5302"] That may be different. But the only .300 Win. Mag. hunting rifle I had built shot various Remington, Winchester, and Federal factory hunting ammo with 150 and 180 grain bullets under 1 MOA through 300 yards. It's 26" long 1:12.7" twist Obermeyer 4-groove barrel had a SAAMI spec chamber, bore diameter of .2980" and a groove diameter of .3070". I doubt any factory barrel's got bore and groove diameters that small. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
opinions on rifle make & cal for long range rifle
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