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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
220 Swift Improved?????
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<blockquote data-quote="Kevin" data-source="post: 68767" data-attributes="member: 603"><p>I have a 220 swift improved. From a 26inch barrel, the barrel is only a 16 twist which is a big bummer. I used to max out right at 3950fps with 55gr bullets from the stock version of the swift, based on a case life of 4 reloads. With the improved swift I now can get 4 reloads when pushing the 55gr bullets at 4230fps. So I definatly would argue with those saying that there is little velocity gain from the improved swift. I currently load the 55gr bullets at 4160fps and most cases make it over 10 reloads no problem. The barrel is about shot now though so that gives me a good excuse to get a new barrel, this time it will have a tighter twist so I can shoot the 75+gr bullets. I have loaded some 60 gr bullets in mine, they didn't stabilize but I just wanted to see what kind of velocities it would produce. I was getting 4000fps with good case life and 4090 fps with poor case life.</p></blockquote><p></p>
[QUOTE="Kevin, post: 68767, member: 603"] I have a 220 swift improved. From a 26inch barrel, the barrel is only a 16 twist which is a big bummer. I used to max out right at 3950fps with 55gr bullets from the stock version of the swift, based on a case life of 4 reloads. With the improved swift I now can get 4 reloads when pushing the 55gr bullets at 4230fps. So I definatly would argue with those saying that there is little velocity gain from the improved swift. I currently load the 55gr bullets at 4160fps and most cases make it over 10 reloads no problem. The barrel is about shot now though so that gives me a good excuse to get a new barrel, this time it will have a tighter twist so I can shoot the 75+gr bullets. I have loaded some 60 gr bullets in mine, they didn't stabilize but I just wanted to see what kind of velocities it would produce. I was getting 4000fps with good case life and 4090 fps with poor case life. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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220 Swift Improved?????
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