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.338 Allen Magnum...WOW!
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<blockquote data-quote="Fiftydriver" data-source="post: 855720" data-attributes="member: 10"><p>The Barrett case is MUCH larger in capacity then the 408 CT case, BUT, it can not be loaded as high in chamber pressure so the end result is surprisingly similar to the wildcats based on the 408 CT, usually less then 100 fps difference. Add to this, the Barrett requires a 50 BMG class receiver and rifle platform whereas the 408 CT based rifles can be built in much lighter and smaller platforms.</p><p> </p><p>All things equal, the 338 Edge will get you 2900 fps on average with a 300 gr berger out of a 30" barrel length.</p><p> </p><p>The 338 AX will get you into the 3050 fps range with same barrel length and bullet. There are some special throat designs that can bring the edge up to the performance of the 338 AX and 338 AI but those same throats can also be used on the 338 AX and 338 AI to give them an additional boost in performance so that is why I said, if all else is equal, the 338 AX and AI will be roughly 125 to 150 fps faster then the Edge.</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 855720, member: 10"] The Barrett case is MUCH larger in capacity then the 408 CT case, BUT, it can not be loaded as high in chamber pressure so the end result is surprisingly similar to the wildcats based on the 408 CT, usually less then 100 fps difference. Add to this, the Barrett requires a 50 BMG class receiver and rifle platform whereas the 408 CT based rifles can be built in much lighter and smaller platforms. All things equal, the 338 Edge will get you 2900 fps on average with a 300 gr berger out of a 30" barrel length. The 338 AX will get you into the 3050 fps range with same barrel length and bullet. There are some special throat designs that can bring the edge up to the performance of the 338 AX and 338 AI but those same throats can also be used on the 338 AX and 338 AI to give them an additional boost in performance so that is why I said, if all else is equal, the 338 AX and AI will be roughly 125 to 150 fps faster then the Edge. [/QUOTE]
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.338 Allen Magnum...WOW!
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