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Rifles, Reloading, Optics, Equipment
Gunsmithing
338 wsm
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<blockquote data-quote="J E Custom" data-source="post: 744030" data-attributes="member: 2736"><p>It is very close to the same volume and its ballistic equal.</p><p></p><p>As you know Ruger like every other company changes there case just enough to make it</p><p>proprietary so they can sell there own ammo and brass.</p><p></p><p>I looked at both the 338 WSM and the 325 Wsm and the 338 RCM was my choice because </p><p>dies and reamer availability.</p><p></p><p>I looked at all of the loading data for the 300/338 Wildcat and did not find any load with </p><p>a 200 grain that exceeded the RCMs 2950 ft/sec and there was almost no data with bullets </p><p>over 200 grains. So I decided to stay away from the wildcat with it's problems of sizing and </p><p>fire forming and the head stamp difference.</p><p></p><p>I love wild catting a case if it has something to offer more than other cases in its class.</p><p></p><p>I had a 325 WSM that did not shoot that well,and the lack of good bullets and no more </p><p>performance prompted me to go with the 338 RCM based on all of the advantages it offered</p><p>and the price of ammo ($29.00 a box at the time compared to the 325s 45 to 50.00dollar</p><p>a box.</p><p></p><p>Potentially the 300/338 should be a little faster because of its slight case capacity advantage</p><p>but I could not find it. Also Hornady loads there Superformance powder and the loads are </p><p>Max.</p><p></p><p>I have not tried 225s or 250s because if is at its best with the 200 grain bullets and bigger </p><p>bullets need more case capacity. and with all of the good 338 bullets my choice would be </p><p>ether the 300/338 WSM or the 338 RCM if a short mag was what you wanted.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 744030, member: 2736"] It is very close to the same volume and its ballistic equal. As you know Ruger like every other company changes there case just enough to make it proprietary so they can sell there own ammo and brass. I looked at both the 338 WSM and the 325 Wsm and the 338 RCM was my choice because dies and reamer availability. I looked at all of the loading data for the 300/338 Wildcat and did not find any load with a 200 grain that exceeded the RCMs 2950 ft/sec and there was almost no data with bullets over 200 grains. So I decided to stay away from the wildcat with it's problems of sizing and fire forming and the head stamp difference. I love wild catting a case if it has something to offer more than other cases in its class. I had a 325 WSM that did not shoot that well,and the lack of good bullets and no more performance prompted me to go with the 338 RCM based on all of the advantages it offered and the price of ammo ($29.00 a box at the time compared to the 325s 45 to 50.00dollar a box. Potentially the 300/338 should be a little faster because of its slight case capacity advantage but I could not find it. Also Hornady loads there Superformance powder and the loads are Max. I have not tried 225s or 250s because if is at its best with the 200 grain bullets and bigger bullets need more case capacity. and with all of the good 338 bullets my choice would be ether the 300/338 WSM or the 338 RCM if a short mag was what you wanted. J E CUSTOM [/QUOTE]
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338 wsm
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