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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
30/338 Lapua
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<blockquote data-quote="Darryl Cassel" data-source="post: 25647" data-attributes="member: 34"><p>Brent</p><p></p><p>Anywhere from 25 to 35 fps per inch of extra barrel to a point in most any cartriges.</p><p></p><p>25 X 8" =200 fps</p><p>35 X 8" =280 FPS</p><p>My 416 IMp has a 37" barrel.</p><p>My Tomahawk has a 34" Barrel</p><p></p><p>The advantage of the 416 case over the 378 Weatherby is, no belt and headspace done on the 35 degree shoulder instead of that **** venturi shoulder. If you improve the 378 case like the 416 is and replace the shoulder with a 35 degree, you will have the same capacity as the 338/416 has, after it has been improved.</p><p></p><p>Are you still perplexed???</p><p></p><p>As mentioned earlier, the original poster can easily get 3100 from a 34" barrel and using the 240 gr bullet. Boyd is doing better then 3100 with a straight 300 RUM.</p><p></p><p>later</p><p>DC <img src="http://images/icons/smile.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>[ 03-02-2003: Message edited by: Darryl Cassel ]</p><p></p><p>[ 03-02-2003: Message edited by: Darryl Cassel ]</p></blockquote><p></p>
[QUOTE="Darryl Cassel, post: 25647, member: 34"] Brent Anywhere from 25 to 35 fps per inch of extra barrel to a point in most any cartriges. 25 X 8" =200 fps 35 X 8" =280 FPS My 416 IMp has a 37" barrel. My Tomahawk has a 34" Barrel The advantage of the 416 case over the 378 Weatherby is, no belt and headspace done on the 35 degree shoulder instead of that **** venturi shoulder. If you improve the 378 case like the 416 is and replace the shoulder with a 35 degree, you will have the same capacity as the 338/416 has, after it has been improved. Are you still perplexed??? As mentioned earlier, the original poster can easily get 3100 from a 34" barrel and using the 240 gr bullet. Boyd is doing better then 3100 with a straight 300 RUM. later DC [img]images/icons/smile.gif[/img] [ 03-02-2003: Message edited by: Darryl Cassel ] [ 03-02-2003: Message edited by: Darryl Cassel ] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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30/338 Lapua
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