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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
trying to get a build underway
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<blockquote data-quote="benchracer" data-source="post: 974258" data-attributes="member: 22069"><p>Given that the OP stated he is limited to .277 and smaller, it would seem that .308 would be disqualified.</p><p> </p><p>As already stated, the 6.5's aren't likely to give you much better barrel life than your .300WM, but they will burn less powder, recoil less, and be cheaper to shoot.</p><p> </p><p>I don't know anything about the custom actions under consideration, so I can't help there. However, I would advise that you set your rifle up with the longest magazine possible (I am assuming you are planning a short action build), to allow room to seat the long 6.5 bullets out as far as possible.</p><p> </p><p>Though the 6.5x47 Lapua has a reputation for being more inherently accurate, I would recommend that you go with a case no smaller in capacity than the .260 Remington. It will perform better with 140 class bullets than the 6.5x47.</p><p> </p><p>Personally, I would recommend that you go with a long action and build a 6.5x55 or 6.5x55 AI. Lapua brass for the 6.5x55 is less expensive than either the .260 or the 6.5x47, with a bit more case capacity, which will increase performance a bit over the .260, if loaded to modern pressures, without giving up accuracy. The AI version will increase the margin over the .260, without a meaningful impact on barrel life.</p></blockquote><p></p>
[QUOTE="benchracer, post: 974258, member: 22069"] Given that the OP stated he is limited to .277 and smaller, it would seem that .308 would be disqualified. As already stated, the 6.5's aren't likely to give you much better barrel life than your .300WM, but they will burn less powder, recoil less, and be cheaper to shoot. I don't know anything about the custom actions under consideration, so I can't help there. However, I would advise that you set your rifle up with the longest magazine possible (I am assuming you are planning a short action build), to allow room to seat the long 6.5 bullets out as far as possible. Though the 6.5x47 Lapua has a reputation for being more inherently accurate, I would recommend that you go with a case no smaller in capacity than the .260 Remington. It will perform better with 140 class bullets than the 6.5x47. Personally, I would recommend that you go with a long action and build a 6.5x55 or 6.5x55 AI. Lapua brass for the 6.5x55 is less expensive than either the .260 or the 6.5x47, with a bit more case capacity, which will increase performance a bit over the .260, if loaded to modern pressures, without giving up accuracy. The AI version will increase the margin over the .260, without a meaningful impact on barrel life. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
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