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<blockquote data-quote="Long Time Long Ranger" data-source="post: 519197" data-attributes="member: 505"><p>Barrel life is a big difference plus the 338 will outperform the smaller calibers taking animals at extreme range. Since 2001 when the 338 RUM was introduced that is the best choice between the three. No need to go to the trouble of wildcatting the 338-300 RUM when you can shoot the standard 338 RUM. That ended the great run with the 338-300 RUM at my shop we had from 1998-2000. When guys could shoot them side by side on my range everybody went over the counter with the 338 RUM from then on. No need for the trouble of wildcatting. </p><p> </p><p>The 338-300 RUM gave about a 120 fps gain in velocity over the 340 wby and was worth the trouble for some from 1998-2000. But then the 338 RUM came out over the counter in 2001 shooting the same numbers as the 338-300 RUM and for logical people who saw them shoot side by side on my range that was the end of the road for the 338-300 RUM. The 225 grain CE bullet with a bc of .640 at 3250-3300 fps out of a 338 RUM looks very impressive for guys who rarely hunt over 1000 yards. Compare the numbers to the 300 smk at 2750-2850 fps and it represents a much lighter recoil option for many. 2750-2850 fps is where 90%+ of the 338 RUM, 338-300 RUM and 338 Lapua rifles are going to end up with best accuracy with a 300 grain bullet. The 340 wby hits best accuracy between 2700 and 2750 fps with the 300 grain smk.</p><p> </p><p>I looked at some of my 300 RUM loads from way back and I had the 240 smk shooting right at 2900 fps out of my 28" barrels. As far as hitting animals at long range take your pick. Either would do well. The main difference would be the barrel wear and most people had rather hit an animal with a 300 smk 338 cal long range than a smaller 30 cal. Way more damage and power at long range.</p></blockquote><p></p>
[QUOTE="Long Time Long Ranger, post: 519197, member: 505"] Barrel life is a big difference plus the 338 will outperform the smaller calibers taking animals at extreme range. Since 2001 when the 338 RUM was introduced that is the best choice between the three. No need to go to the trouble of wildcatting the 338-300 RUM when you can shoot the standard 338 RUM. That ended the great run with the 338-300 RUM at my shop we had from 1998-2000. When guys could shoot them side by side on my range everybody went over the counter with the 338 RUM from then on. No need for the trouble of wildcatting. The 338-300 RUM gave about a 120 fps gain in velocity over the 340 wby and was worth the trouble for some from 1998-2000. But then the 338 RUM came out over the counter in 2001 shooting the same numbers as the 338-300 RUM and for logical people who saw them shoot side by side on my range that was the end of the road for the 338-300 RUM. The 225 grain CE bullet with a bc of .640 at 3250-3300 fps out of a 338 RUM looks very impressive for guys who rarely hunt over 1000 yards. Compare the numbers to the 300 smk at 2750-2850 fps and it represents a much lighter recoil option for many. 2750-2850 fps is where 90%+ of the 338 RUM, 338-300 RUM and 338 Lapua rifles are going to end up with best accuracy with a 300 grain bullet. The 340 wby hits best accuracy between 2700 and 2750 fps with the 300 grain smk. I looked at some of my 300 RUM loads from way back and I had the 240 smk shooting right at 2900 fps out of my 28" barrels. As far as hitting animals at long range take your pick. Either would do well. The main difference would be the barrel wear and most people had rather hit an animal with a 300 smk 338 cal long range than a smaller 30 cal. Way more damage and power at long range. [/QUOTE]
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