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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Anyone own a 7mm 300 Win Mag?
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<blockquote data-quote="Kiwi Nate" data-source="post: 360616" data-attributes="member: 8533"><p>Thanks Broz, sorry, I just realized that you answered my barrel length question twice, I was crook yesterday, well thats my excuse anyway.</p><p> </p><p>I have a few more questions:</p><p> </p><p>What dimensions are the fired cases (very roughly). What I am am getting at is, is the cartridge a straight 7mm-.300 or have changes been made to the case- shoulder forwards/shoulder back/ shoulder angle/neck/body taper/ trim brass at what length?- all in comparison to the parent .300 brass.</p><p> </p><p>Was there any need for the custom sizing die, could you have gotten by with a standard neck die.</p><p> </p><p>What is your COAL with the VLD and what is the bullet jump with this COAL.</p><p> </p><p>Its interesting to think that you are smacking the gongs hard at extended ranges. I am still pretty sure that the cartridge you have adopted is the optimum case to bore ratio for the sevens. As for penetration on the Gongs, if you are using the frangible VLD rather than the straight match bullet, the penetration probably has more to do with the relationship of the metallurgy of both the gong and the bullet. Some pretty weird things happen when changing gong materials from say heavy stainless offcuts to tool steel offcuts (such as old press blades).</p></blockquote><p></p>
[QUOTE="Kiwi Nate, post: 360616, member: 8533"] Thanks Broz, sorry, I just realized that you answered my barrel length question twice, I was crook yesterday, well thats my excuse anyway. I have a few more questions: What dimensions are the fired cases (very roughly). What I am am getting at is, is the cartridge a straight 7mm-.300 or have changes been made to the case- shoulder forwards/shoulder back/ shoulder angle/neck/body taper/ trim brass at what length?- all in comparison to the parent .300 brass. Was there any need for the custom sizing die, could you have gotten by with a standard neck die. What is your COAL with the VLD and what is the bullet jump with this COAL. Its interesting to think that you are smacking the gongs hard at extended ranges. I am still pretty sure that the cartridge you have adopted is the optimum case to bore ratio for the sevens. As for penetration on the Gongs, if you are using the frangible VLD rather than the straight match bullet, the penetration probably has more to do with the relationship of the metallurgy of both the gong and the bullet. Some pretty weird things happen when changing gong materials from say heavy stainless offcuts to tool steel offcuts (such as old press blades). [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Anyone own a 7mm 300 Win Mag?
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