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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.338 Win Mag 250 or 300 SMK
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<blockquote data-quote="benchracer" data-source="post: 344888" data-attributes="member: 22069"><p>I am going to preface my remarks by saying that I have put about 500 rounds through my .338 and have never really kept much in the way of shooting/reloading data and have never chronoed any of the factory or handloads that I have fired through it. So, at this point, anything I have to say about its performance is either subjective or solely based on theory rather than actual practice. </p><p> </p><p>In short, my quest to develop long range shooting skill and knowledge is still in its infancy.</p><p> </p><p> </p><p>. </p><p> </p><p></p><p> </p><p></p><p> </p><p>I consider these remarks to be of interest because they run contrary to my own thoughts on the subject. </p><p> </p><p>I have seen quite a lot of book data showing the humble .338WM pushing 250gr bullets up to and beyond 2700fps. Though I have done load development with 250gr SGK's, I did not chrono the loads so I don't really know what kind of velocity I was getting.</p><p> </p><p>At this point, I totally disagree with the assertion that the .338WM is better suited to bullets in the 200-225gr range. The cartridge was designed with 250gr bullets as the "gold standard" load. In fact, I have always seen the .338WM as a pretty pointless cartridge with light bullets. Afterall, if you back the bullet weight down, the .338WM's performance can be pretty easily bettered by the .300WM and the 30-06 is not far behind.</p><p> </p><p>However, given the listed BC for the 225gr Accubond, it could prove to be an exception.</p><p> </p><p> </p><p> </p><p></p><p> </p><p>That is precisely the question that I am seeking to answer. Absent a reloading program and/or real world long range data, I don't know.</p><p> </p><p> </p><p></p><p> </p><p>My rifle has a 1-10 twist, so it should be able to stabilize the 300gr bullets with no problem.</p><p> </p><p>Your point on the 30-06 is well taken.</p><p> </p><p> </p><p> </p><p></p><p> </p><p>Thanks for sharing your real world experience. That is exactly the kind of information that I am looking for. </p><p> </p><p>I am confused, however, by one thing. You state that the Hornady 250gr match bullet has a higher BC than the SMK. According to the information that I have on these bullets, that is not the case. The Sierra SMK is listed as having a BC of .587 and the GMK is listed at .565, while the Hornady BTHP lists a BC of .465. Unless I am missing something, I have to think that the Hornady left a lot of potential on the table at 527 yards. I sure wish that Hornady would come out with a .338 A-MAX.</p><p> </p><p>Thanks, fellas, for your responses. It looks to me like the 250gr match bullets and 225gr Accubonds will be a good place to begin my load development. I will report back with my findings after I do some actual shooting and generate some real time data.</p></blockquote><p></p>
[QUOTE="benchracer, post: 344888, member: 22069"] I am going to preface my remarks by saying that I have put about 500 rounds through my .338 and have never really kept much in the way of shooting/reloading data and have never chronoed any of the factory or handloads that I have fired through it. So, at this point, anything I have to say about its performance is either subjective or solely based on theory rather than actual practice. In short, my quest to develop long range shooting skill and knowledge is still in its infancy. . I consider these remarks to be of interest because they run contrary to my own thoughts on the subject. I have seen quite a lot of book data showing the humble .338WM pushing 250gr bullets up to and beyond 2700fps. Though I have done load development with 250gr SGK's, I did not chrono the loads so I don't really know what kind of velocity I was getting. At this point, I totally disagree with the assertion that the .338WM is better suited to bullets in the 200-225gr range. The cartridge was designed with 250gr bullets as the "gold standard" load. In fact, I have always seen the .338WM as a pretty pointless cartridge with light bullets. Afterall, if you back the bullet weight down, the .338WM's performance can be pretty easily bettered by the .300WM and the 30-06 is not far behind. However, given the listed BC for the 225gr Accubond, it could prove to be an exception. That is precisely the question that I am seeking to answer. Absent a reloading program and/or real world long range data, I don't know. My rifle has a 1-10 twist, so it should be able to stabilize the 300gr bullets with no problem. Your point on the 30-06 is well taken. Thanks for sharing your real world experience. That is exactly the kind of information that I am looking for. I am confused, however, by one thing. You state that the Hornady 250gr match bullet has a higher BC than the SMK. According to the information that I have on these bullets, that is not the case. The Sierra SMK is listed as having a BC of .587 and the GMK is listed at .565, while the Hornady BTHP lists a BC of .465. Unless I am missing something, I have to think that the Hornady left a lot of potential on the table at 527 yards. I sure wish that Hornady would come out with a .338 A-MAX. Thanks, fellas, for your responses. It looks to me like the 250gr match bullets and 225gr Accubonds will be a good place to begin my load development. I will report back with my findings after I do some actual shooting and generate some real time data. [/QUOTE]
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.338 Win Mag 250 or 300 SMK
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