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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: 769579" data-attributes="member: 9551"><p>I think you need to grab your cleaning rod and tape measure and figure out which bullets both the Swift and 6.5-284 will twist. I own various 6.5s, including a 6.5-284 and have experience with barrels from 8-11 twist. </p><p></p><p>I built a .264 Win Mag with a Krieger 11 twist to shoot at coyotes at 400-500 yards in wheat and sage land. </p><p></p><p>I also own a .22-250 Ackley for which I look up Swift data to handload for. I have have built two of these with 13 twists. They max out with 55 or 60 gr Ballistic Tips. </p><p></p><p>The original Swifts were often 14 twist and will max at 55 gr varmint bullets and 500 yards will make them < 2000 fps in velocity. If they open, they will not be "explosive". </p><p></p><p>The 6.5-284 will kick like a mule in a 9 pound or less rifle without a brake. Forget about your sight picture down range. The 100 Ballistic tips are a big game bullet and will not open up on coyotes. I once shot through a male and female at 409 yards standing side by side with the 120 gr ballistic tip. Not much expansion. I regularly shoot the 85 gr Sierra as a reduced load for walk and stalk plinking at clay pigeons and milk bottles for big game practice. I load it to 2800 fps with 2/3 of a case of Accurate 5744. The 85 gr bullet shows noticeably milder recoil even up to 3800 fps compared to the 100gr, 107gr 120gr, 123gr or 130 gr bullets. It is more likely to expand but is not a long range varmint bullet because of low BC. Try VV N-550 or Reloader 17 to wind out the lighter bullets. You can get 3600 fps with a 24 inch barrel and 107 Lapuas or Sierras. Lots of recoil but no expansion. Barrel life will be brief. I use HBN and like to Nitrocarburize barrels. My next 6.5 will be the 6.5-06 Ackley 40 degrees because it has a longer neck. The 6.5-284 has a short neck and will leave you wanting.</p></blockquote><p></p>
[QUOTE="65WSM, post: 769579, member: 9551"] I think you need to grab your cleaning rod and tape measure and figure out which bullets both the Swift and 6.5-284 will twist. I own various 6.5s, including a 6.5-284 and have experience with barrels from 8-11 twist. I built a .264 Win Mag with a Krieger 11 twist to shoot at coyotes at 400-500 yards in wheat and sage land. I also own a .22-250 Ackley for which I look up Swift data to handload for. I have have built two of these with 13 twists. They max out with 55 or 60 gr Ballistic Tips. The original Swifts were often 14 twist and will max at 55 gr varmint bullets and 500 yards will make them < 2000 fps in velocity. If they open, they will not be "explosive". The 6.5-284 will kick like a mule in a 9 pound or less rifle without a brake. Forget about your sight picture down range. The 100 Ballistic tips are a big game bullet and will not open up on coyotes. I once shot through a male and female at 409 yards standing side by side with the 120 gr ballistic tip. Not much expansion. I regularly shoot the 85 gr Sierra as a reduced load for walk and stalk plinking at clay pigeons and milk bottles for big game practice. I load it to 2800 fps with 2/3 of a case of Accurate 5744. The 85 gr bullet shows noticeably milder recoil even up to 3800 fps compared to the 100gr, 107gr 120gr, 123gr or 130 gr bullets. It is more likely to expand but is not a long range varmint bullet because of low BC. Try VV N-550 or Reloader 17 to wind out the lighter bullets. You can get 3600 fps with a 24 inch barrel and 107 Lapuas or Sierras. Lots of recoil but no expansion. Barrel life will be brief. I use HBN and like to Nitrocarburize barrels. My next 6.5 will be the 6.5-06 Ackley 40 degrees because it has a longer neck. The 6.5-284 has a short neck and will leave you wanting. [/QUOTE]
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6.5x284 vs .220 swift
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