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Hunting
Extreme Long Range Hunting & Shooting (ELR)
338 enabelr
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<blockquote data-quote="Fiftydriver" data-source="post: 2679835" data-attributes="member: 10"><p>This is interesting, i developed my Raptor as a unique case design, basically my 338 Allen Xpress (lapua based) stretched to the length of the cheytac case to offer the ultimate in performance and capacity out of my Raptor LRSS rifles. It did this quite well. In a 30" barrel length we saw 3150 fps average with the 300 gr bergers using the original bertram brass.</p><p></p><p>then there was a differing of opinion on what the agreement was for this brass and i basically got screwed on the deal. And without my permission bertram started selling my brass to the public. <img class="smilie smilie--emoji" loading="lazy" alt="😡" title="Pouting face :rage:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f621.png" data-shortname=":rage:" /></p><p></p><p>David Tubbs gets a supply of my 338 Raptor brass from bertram, designs his 33 xc off from it, calls up peterson brass to make his brass and outs the screws to bertram which i have no problem with.</p><p></p><p>i take the 33xc, relocate the shoulder slightly to get back to my original Raptor neck length which offers even more capacity over my original design and the peterson brass is vastly superior to bertram in every way so win win…..</p><p></p><p>we are seeing 3150-3200 fps now but with dramatically increased case life. In a 34" barrel i would expect to see 3200 fps minimum. The 300 Raptor in a 34" barrel will drive a 245 gr berger to legit 3400 fps velocities.</p><p></p><p>for comp use, you are probably correct in that the standard XC would be more long lived, however, my 338 AX would be even more so by a significant margin and in a 30" barrel will run between 3000 and 3050 fps easily with the 300 grain. XC should be in the 3075-3100 fps range and my Raptor in the 3150-3200 fps range on average with 300 grain bullets.</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 2679835, member: 10"] This is interesting, i developed my Raptor as a unique case design, basically my 338 Allen Xpress (lapua based) stretched to the length of the cheytac case to offer the ultimate in performance and capacity out of my Raptor LRSS rifles. It did this quite well. In a 30” barrel length we saw 3150 fps average with the 300 gr bergers using the original bertram brass. then there was a differing of opinion on what the agreement was for this brass and i basically got screwed on the deal. And without my permission bertram started selling my brass to the public. 😡 David Tubbs gets a supply of my 338 Raptor brass from bertram, designs his 33 xc off from it, calls up peterson brass to make his brass and outs the screws to bertram which i have no problem with. i take the 33xc, relocate the shoulder slightly to get back to my original Raptor neck length which offers even more capacity over my original design and the peterson brass is vastly superior to bertram in every way so win win….. we are seeing 3150-3200 fps now but with dramatically increased case life. In a 34” barrel i would expect to see 3200 fps minimum. The 300 Raptor in a 34” barrel will drive a 245 gr berger to legit 3400 fps velocities. for comp use, you are probably correct in that the standard XC would be more long lived, however, my 338 AX would be even more so by a significant margin and in a 30” barrel will run between 3000 and 3050 fps easily with the 300 grain. XC should be in the 3075-3100 fps range and my Raptor in the 3150-3200 fps range on average with 300 grain bullets. [/QUOTE]
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