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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Anyone own a 7mm 300 Win Mag?
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<blockquote data-quote="Kiwi Nate" data-source="post: 434492" data-attributes="member: 8533"><p>I think one factor you need to bare in mind is- design goals. Most people who opt for the 7mm-300 do so because they want magnum power, but also want to plink/shoot a lot which in a larger capacity cartridge, is undesirable due to excessive wear. Even the 7mm-300 is pushing the limits but the people who choose this cartridge, have an idea of what to expect. On the other hand, there are folk on this forum who absolutely love the STW and RUM. They also know what to expect, strengths, limitations- they work to the strengths of their pet cartridges. </p><p></p><p>The STW and RUM get the very last few fps out of the sevens via freebore. You could actually do the same with the 7mm-300 as there is plenty of powder space. With .400" freebore, velocities are much the same accross the board. To really understand just how relevent this is, have a look at the 7mm Weatherby. The case is much the same size as the 7mm Rem Mag, but it uses freebore, allowing it to drive 160 grain bullets at 3200fps. Weatherby actually go a step further than most, utilizing a 1:10 twist rate to minimize any yaw created by the freebore/ loss of bullet to bore concentricity. Its quite a cunning design.</p><p></p><p>The other night I pumped 3 rounds through my 7mm-300 as fast as I could work the bolt, I needed goats for dog tucker. I located a mob, shot the first animal all quite like but the next two shots had to be taken quick before the mob escaped into the bush. My .308 culling rifle is having a birthday at the moment so its out of action and I am using the big seven on a week to week basis. Pumping rounds out fast like that is what killed my last 7mm RUM. So, there are many things to consider when comparing cartridges.</p></blockquote><p></p>
[QUOTE="Kiwi Nate, post: 434492, member: 8533"] I think one factor you need to bare in mind is- design goals. Most people who opt for the 7mm-300 do so because they want magnum power, but also want to plink/shoot a lot which in a larger capacity cartridge, is undesirable due to excessive wear. Even the 7mm-300 is pushing the limits but the people who choose this cartridge, have an idea of what to expect. On the other hand, there are folk on this forum who absolutely love the STW and RUM. They also know what to expect, strengths, limitations- they work to the strengths of their pet cartridges. The STW and RUM get the very last few fps out of the sevens via freebore. You could actually do the same with the 7mm-300 as there is plenty of powder space. With .400" freebore, velocities are much the same accross the board. To really understand just how relevent this is, have a look at the 7mm Weatherby. The case is much the same size as the 7mm Rem Mag, but it uses freebore, allowing it to drive 160 grain bullets at 3200fps. Weatherby actually go a step further than most, utilizing a 1:10 twist rate to minimize any yaw created by the freebore/ loss of bullet to bore concentricity. Its quite a cunning design. The other night I pumped 3 rounds through my 7mm-300 as fast as I could work the bolt, I needed goats for dog tucker. I located a mob, shot the first animal all quite like but the next two shots had to be taken quick before the mob escaped into the bush. My .308 culling rifle is having a birthday at the moment so its out of action and I am using the big seven on a week to week basis. Pumping rounds out fast like that is what killed my last 7mm RUM. So, there are many things to consider when comparing cartridges. [/QUOTE]
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Anyone own a 7mm 300 Win Mag?
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