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Rifles, Reloading, Optics, Equipment
Gunsmithing
338 wsm
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<blockquote data-quote="J E Custom" data-source="post: 750636" data-attributes="member: 2736"><p>This is just my opinion so take it for what it,s worth.</p><p></p><p>First of all, some bullet weights just don,t belong with some cases.</p><p></p><p>I love the 338s and think that the 300 grain bullets need a large case with at least 115 grain capacity.</p><p>yes you can use them in a smaller case but to realy reach the true potential of the 300 grain,I feel</p><p>2800 ft/sec is a minimum velocity. If a cartrige won,t do that then a lighter bullet is better.</p><p></p><p>If I were to build a rifle exclusively for the 300 grain bullets it would be something with a case capacity </p><p>of the 338/378 or better yet the 338 Excalibur with over 130 grains of powder capacity.</p><p></p><p>I have designed a 338 with a case capacity of 114 to 119 grains (Depending on the powder choice)</p><p>and have plans to test using the 300 grain but will ultimately use something in the 250 grain weight.</p><p></p><p>I have a 338 rum and the ideal bullet (For trajectory and downrange energy)for it is the 225 to 250</p><p>grain bullets. </p><p></p><p>With the 338 RCM I have found that 200 to 225 grain bullets have the best overall performance</p><p>and with the case capacity and intended use plus the rifle weight(Around 7 pounds dressed out)</p><p>it is very manageable and accurate (Less than 1/4 MOA).</p><p></p><p>To chose the best bullet for a rifle cartrige I recomend doing the ballistics for that cartriges potential</p><p>And comparing the trajectory,energy and distance that it drops out of the recomended energy</p><p>for the game to be hunted and you will see the bullet that gives you the best total performance.</p><p></p><p>There is no question that for long range you need good BCs but there is more to it than just good </p><p>BCs and in many cases "Less is More".</p><p></p><p>All of my loads are less than the absolutely Maximum and if I need more bullet or velocity I just</p><p>use a larger case with slower powder and in some cases a longer barrel.</p><p></p><p>I am comfortable using my 338 rum out to 1100 yards on Elk because it meets all of my</p><p>requirements with a 250 grain bullet. To shoot beyond that is the reason I designed the 338 </p><p>supper with 15+ grains more case capacity. and if it will move the big 300 grain bullets at</p><p>or above 3000 ft/sec then I will have a winner. If not, I will be happy to drop back to a 250 to </p><p>275 grain bullet.</p><p></p><p>As I said this is just my opinion on bullet selection and weight.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 750636, member: 2736"] This is just my opinion so take it for what it,s worth. First of all, some bullet weights just don,t belong with some cases. I love the 338s and think that the 300 grain bullets need a large case with at least 115 grain capacity. yes you can use them in a smaller case but to realy reach the true potential of the 300 grain,I feel 2800 ft/sec is a minimum velocity. If a cartrige won,t do that then a lighter bullet is better. If I were to build a rifle exclusively for the 300 grain bullets it would be something with a case capacity of the 338/378 or better yet the 338 Excalibur with over 130 grains of powder capacity. I have designed a 338 with a case capacity of 114 to 119 grains (Depending on the powder choice) and have plans to test using the 300 grain but will ultimately use something in the 250 grain weight. I have a 338 rum and the ideal bullet (For trajectory and downrange energy)for it is the 225 to 250 grain bullets. With the 338 RCM I have found that 200 to 225 grain bullets have the best overall performance and with the case capacity and intended use plus the rifle weight(Around 7 pounds dressed out) it is very manageable and accurate (Less than 1/4 MOA). To chose the best bullet for a rifle cartrige I recomend doing the ballistics for that cartriges potential And comparing the trajectory,energy and distance that it drops out of the recomended energy for the game to be hunted and you will see the bullet that gives you the best total performance. There is no question that for long range you need good BCs but there is more to it than just good BCs and in many cases "Less is More". All of my loads are less than the absolutely Maximum and if I need more bullet or velocity I just use a larger case with slower powder and in some cases a longer barrel. I am comfortable using my 338 rum out to 1100 yards on Elk because it meets all of my requirements with a 250 grain bullet. To shoot beyond that is the reason I designed the 338 supper with 15+ grains more case capacity. and if it will move the big 300 grain bullets at or above 3000 ft/sec then I will have a winner. If not, I will be happy to drop back to a 250 to 275 grain bullet. As I said this is just my opinion on bullet selection and weight. J E CUSTOM [/QUOTE]
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