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Rifles, Reloading, Optics, Equipment
Reloading
Is the 300 wsm case somewhat magical?
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<blockquote data-quote="MagnumManiac" data-source="post: 261056" data-attributes="member: 10755"><p>I do all of my load work with a recoil sensing pressure device, and I work up to MY safe maximum loads for MY rifle and BRASS.</p><p>I use a similar formula to what Nosler has for their load development work; Feet per second divided by grains of powder = Burn Rate for a particular cartridge. This is played out by expansion ratio comparison.</p><p>I have found it quite difficult to obtain load data with RE25 for the 300WM and 180/200gr bullets, which my formula states to be the most efficient powder for these bullet combinations, in fact, my projected maximum is around 4gr's above what other loading programs dished out.</p><p>I am not 'running right on the razors edge' in any way shape or form with this load, in fact, it shows no case head expansion, and pressures are less than 60,000psi.</p><p></p><p>How does Kinetic Energy equate to a load being either overloaded or underloaded? Energy figures are meaningless, it's Sectional Density and wound channel size causing blood loss that kills animals. Push any bullet fast, and the KE figures rise sharply, this has no bearing on bullet flight, or it's ability to be accurate, or hold together for bone crunching power.</p><p>The 338WM will surpass 375H+H KE figures with certain loads, does that mean that it's overloaded to any degree.</p><p>The 375 is underloaded by all major ammo makers, in deference to all the older rifles still in use today, as are many other rounds, in particular, the 30-06 and 257 Roberts.</p><p></p><p>This is why we handload our own ammunition, to get the best possible performance from our rifles with the best possible components, that we can make as accurate as possible.</p><p></p><p>Reloading manuals are GUIDES, and they don't always steer us in the right direction, their 'most accurate' powder they list for each bullet combo may be downright terrible in my or your rifle, and when they have 5 different bullets listed for that same data, which bullet was the most accurate with that powder, they don't tell us that in the text, so why bother putting it in the text in the first place? </p><p>Too much emphasis is placed on reloading manuals being GOSPEL, when they simply aren't, they are merely GUIDES.</p><p>Cheers.</p><p>MagnumManiac.</p><p>gun)</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 261056, member: 10755"] I do all of my load work with a recoil sensing pressure device, and I work up to MY safe maximum loads for MY rifle and BRASS. I use a similar formula to what Nosler has for their load development work; Feet per second divided by grains of powder = Burn Rate for a particular cartridge. This is played out by expansion ratio comparison. I have found it quite difficult to obtain load data with RE25 for the 300WM and 180/200gr bullets, which my formula states to be the most efficient powder for these bullet combinations, in fact, my projected maximum is around 4gr's above what other loading programs dished out. I am not 'running right on the razors edge' in any way shape or form with this load, in fact, it shows no case head expansion, and pressures are less than 60,000psi. How does Kinetic Energy equate to a load being either overloaded or underloaded? Energy figures are meaningless, it's Sectional Density and wound channel size causing blood loss that kills animals. Push any bullet fast, and the KE figures rise sharply, this has no bearing on bullet flight, or it's ability to be accurate, or hold together for bone crunching power. The 338WM will surpass 375H+H KE figures with certain loads, does that mean that it's overloaded to any degree. The 375 is underloaded by all major ammo makers, in deference to all the older rifles still in use today, as are many other rounds, in particular, the 30-06 and 257 Roberts. This is why we handload our own ammunition, to get the best possible performance from our rifles with the best possible components, that we can make as accurate as possible. Reloading manuals are GUIDES, and they don't always steer us in the right direction, their 'most accurate' powder they list for each bullet combo may be downright terrible in my or your rifle, and when they have 5 different bullets listed for that same data, which bullet was the most accurate with that powder, they don't tell us that in the text, so why bother putting it in the text in the first place? Too much emphasis is placed on reloading manuals being GOSPEL, when they simply aren't, they are merely GUIDES. Cheers. MagnumManiac. gun) [/QUOTE]
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Is the 300 wsm case somewhat magical?
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