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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5x284 vs .220 swift
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<blockquote data-quote="65WSM" data-source="post: 771246" data-attributes="member: 9551"><p>North of 53</p><p></p><p>I am only just North of 47. I wish I had your opportunities to hunt. I am building a .22-6.5X47 with an 8 twist. I am waiting for Krieger to make the barrel. I like their deep 10 groove fluting compared to other makers. The point of this chambering it to have a small rifle primer behind about 40 gr of powder. Slightly less than the .22-250 AI. I will sacrifice my .22-250 Ackley die to make the size die for this one. I will use the reamer to build a Wilson seater.</p><p></p><p>What powder and primer configuration are you using with 75 and 80 gr VLDs in the .22-250 AI? What are your velocities? I have never had a .22 centerfire that would twist the heavier bullets. </p><p></p><p>I like the 6.5 Swed Improved cartridge because it has a longer neck than the .260 Remington. How much of which powders are you using? Give me some idea of the volume. My guess is that the neck length and volume make it very close to the 6.5 Creedmore. I still think that the 6.5-284 will beat by a lot. I get 3280 (instrumental) comfortably from 58 gr of VV N-560 with the 130 Accubond 26 inch barrel. That is right at 3300 at the muzzle.</p></blockquote><p></p>
[QUOTE="65WSM, post: 771246, member: 9551"] North of 53 I am only just North of 47. I wish I had your opportunities to hunt. I am building a .22-6.5X47 with an 8 twist. I am waiting for Krieger to make the barrel. I like their deep 10 groove fluting compared to other makers. The point of this chambering it to have a small rifle primer behind about 40 gr of powder. Slightly less than the .22-250 AI. I will sacrifice my .22-250 Ackley die to make the size die for this one. I will use the reamer to build a Wilson seater. What powder and primer configuration are you using with 75 and 80 gr VLDs in the .22-250 AI? What are your velocities? I have never had a .22 centerfire that would twist the heavier bullets. I like the 6.5 Swed Improved cartridge because it has a longer neck than the .260 Remington. How much of which powders are you using? Give me some idea of the volume. My guess is that the neck length and volume make it very close to the 6.5 Creedmore. I still think that the 6.5-284 will beat by a lot. I get 3280 (instrumental) comfortably from 58 gr of VV N-560 with the 130 Accubond 26 inch barrel. That is right at 3300 at the muzzle. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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6.5x284 vs .220 swift
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