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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
195 grain 7mm Berger - How Much Cartridge Will it Need?
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<blockquote data-quote="Swamplord" data-source="post: 962449" data-attributes="member: 2460"><p>The 7mm PRO cartridge is a necked up 6.5 PRO which is shorter than the 26 Nosler .. yes .. BUT my 6.5 is off the 300 Norma Mag, (necked down, shoulder pushed up to 35 degree ) which is fatter and has a capacity advantage of 9 grains h20 over the 26 Nosler, also with a much longer neck with bullet not impacting powder space, </p><p>in the 26 Nosler - to maintain the 3.340" coal, the bullet is seated deep down into the case reducing powder capacity considerably , in the 6.5 PRO my COAL max is 3.400" with only the boattail sitting past the neck with zero impact on case capacity.....you will have the same situation with the 7mm Pro vs 28 Nosler !</p><p></p><p>I easily reached 3500 fps with the 160 gr Matrix in the 6.5 PRO, the 26 Nosler will be hard pressed to do that with 140 gr bullets .</p><p></p><p>I have proven that I can beat 375 Rum velocities with my 375 PRO (375-338 Norma 35 degree neck )</p><p>and even match 378 WBY velocities with excellent accuracy with a lot less powder ..</p><p></p><p>The efficiency of my long necked PRO series of wildcats based on the Norma Mag case cannot be discounted and I fully believe a 7mm version will be the ultimate 7mm that will provide better ballistics than the 7mm Rum with far less throat erosion,</p><p> the accuracy of the 300 and 338 Norma Mag & every single wildcat based on the Norma Mag case has been very well documented on this site and just about every other gun site on the web,</p></blockquote><p></p>
[QUOTE="Swamplord, post: 962449, member: 2460"] The 7mm PRO cartridge is a necked up 6.5 PRO which is shorter than the 26 Nosler .. yes .. BUT my 6.5 is off the 300 Norma Mag, (necked down, shoulder pushed up to 35 degree ) which is fatter and has a capacity advantage of 9 grains h20 over the 26 Nosler, also with a much longer neck with bullet not impacting powder space, in the 26 Nosler - to maintain the 3.340" coal, the bullet is seated deep down into the case reducing powder capacity considerably , in the 6.5 PRO my COAL max is 3.400" with only the boattail sitting past the neck with zero impact on case capacity.....you will have the same situation with the 7mm Pro vs 28 Nosler ! I easily reached 3500 fps with the 160 gr Matrix in the 6.5 PRO, the 26 Nosler will be hard pressed to do that with 140 gr bullets . I have proven that I can beat 375 Rum velocities with my 375 PRO (375-338 Norma 35 degree neck ) and even match 378 WBY velocities with excellent accuracy with a lot less powder .. The efficiency of my long necked PRO series of wildcats based on the Norma Mag case cannot be discounted and I fully believe a 7mm version will be the ultimate 7mm that will provide better ballistics than the 7mm Rum with far less throat erosion, the accuracy of the 300 and 338 Norma Mag & every single wildcat based on the Norma Mag case has been very well documented on this site and just about every other gun site on the web, [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
195 grain 7mm Berger - How Much Cartridge Will it Need?
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