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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
30/338 Lapua
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<blockquote data-quote="Guest" data-source="post: 25683"><p>Yes we did shoot a few of the unimproved cases, it was quite a few years ago, and I don't have the specific data. I do remember that with 200 gr. bullets, and a 28 inch barrel, 6 or 7 gr. of the increase in powder capacity was worth about 100 feet per second.</p><p></p><p>Keep in mind there is about a 70 to 80 fps difference between a 30 inch barrel and a 34 inch barrel. My experience tells me that with a 30 inch barrel you will not reach 3050 fps at safe pressures with a 240 gr. bullet. I think however, with a 34 inch barrel and an improved cartridge, 3100 fps will be easy to achieve with several powder choices, and your case life will be significantly longer. <img src="http://images/icons/smile.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Guest, post: 25683"] Yes we did shoot a few of the unimproved cases, it was quite a few years ago, and I don't have the specific data. I do remember that with 200 gr. bullets, and a 28 inch barrel, 6 or 7 gr. of the increase in powder capacity was worth about 100 feet per second. Keep in mind there is about a 70 to 80 fps difference between a 30 inch barrel and a 34 inch barrel. My experience tells me that with a 30 inch barrel you will not reach 3050 fps at safe pressures with a 240 gr. bullet. I think however, with a 34 inch barrel and an improved cartridge, 3100 fps will be easy to achieve with several powder choices, and your case life will be significantly longer. [img]images/icons/smile.gif[/img] [/QUOTE]
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Rifles, Bullets, Barrels & Ballistics
30/338 Lapua
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