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Long Range Hunting & Shooting
264 win mag vs 6.5-284/6.5-06
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<blockquote data-quote="backwoods83" data-source="post: 691121" data-attributes="member: 29890"><p>Reasons the 6.5x284 and 6.5-06 are more popular</p><p>#1 Lapua brass</p><p>#2 it takes about 8-10 more grns of powder in the 264wm to equal the velocity in a given barrel length.</p><p>#3 if you want good 264wm brass you need to neck down and fully prep 7mm rm Norma brass.</p><p>#4 if you want max velocities from the 264wm it typically requires undesirable ball or double based powders such as US869 WC872 Ramshot Magnum or VV N570, and they are not so stable.</p><p></p><p>But to defend the 264wm, the belt has 0 effect on accuracy when loaded correctly, but the neck/shoulder design isn't the best.</p><p></p><p>I can break 3100 with a 6.5x284 with a 26" barrel and Retumbo, you can also get almost 3300 in a 6.5wsm with a 26" barrel and Retumbo, the 6.5x257wby will also do 3300 with H1000 or Retumbo, I'm not exactly sure why the 264wm cannot reach these velocities without going over pressure with Retumbo, I just know the 3 cases I mentioned are more effecient. Do not rule out the 264wm though it is still a decent cartridge for mid sized game at fairly long ranges, not a good idea for paper punching though unless you have a few extra barrels. Oh and as mentioned the factory offerings with a 9 twist are a joke unless you want to shoot 120 nbts or 129ssts.</p></blockquote><p></p>
[QUOTE="backwoods83, post: 691121, member: 29890"] Reasons the 6.5x284 and 6.5-06 are more popular #1 Lapua brass #2 it takes about 8-10 more grns of powder in the 264wm to equal the velocity in a given barrel length. #3 if you want good 264wm brass you need to neck down and fully prep 7mm rm Norma brass. #4 if you want max velocities from the 264wm it typically requires undesirable ball or double based powders such as US869 WC872 Ramshot Magnum or VV N570, and they are not so stable. But to defend the 264wm, the belt has 0 effect on accuracy when loaded correctly, but the neck/shoulder design isn't the best. I can break 3100 with a 6.5x284 with a 26" barrel and Retumbo, you can also get almost 3300 in a 6.5wsm with a 26" barrel and Retumbo, the 6.5x257wby will also do 3300 with H1000 or Retumbo, I'm not exactly sure why the 264wm cannot reach these velocities without going over pressure with Retumbo, I just know the 3 cases I mentioned are more effecient. Do not rule out the 264wm though it is still a decent cartridge for mid sized game at fairly long ranges, not a good idea for paper punching though unless you have a few extra barrels. Oh and as mentioned the factory offerings with a 9 twist are a joke unless you want to shoot 120 nbts or 129ssts. [/QUOTE]
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264 win mag vs 6.5-284/6.5-06
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