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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Kirby, 22 AM ?
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<blockquote data-quote="joe boyd" data-source="post: 82303" data-attributes="member: 2053"><p>Gator, Kirby,</p><p> Hope this doesn't come under hi-jacking a thread, but I just got back from rifle range. Wife and I are both shooting 6.5-284 rifles built by Kirby. Mine is not yet done with breakin, but I am seeing positive things already. Point is my wife's gun has a Kreiger palma barrel with 8.5 twist. My gun has a Lilja 3 groove with 8 twist. I am pretty sure that Kirby used the same reamer on both guns, although I asked that mine have a longer throat. I am aware that the three groove destruction of thin jacket bullets decreases with bore size.( Kirby and I talked about it before he made my gun.) What I am seeing is my wife's gun does not shoot as well with heavy jacket bullets, where my gun with a 3 groove does not seem to like thin jackets. I am up to shooting 3 shots groups and then clean. I am using nosler 140 gr. partitions and my gun is putting three shots in .450 at 200 yds. I have tried every thing I know to do and cannot get the Krieger barrel to shoot partitions. Yet it will shoot 129 hornady sst's into .500 at 200 yd. all day long. Just thought I would throw these observations into the fray.</p><p> joe</p></blockquote><p></p>
[QUOTE="joe boyd, post: 82303, member: 2053"] Gator, Kirby, Hope this doesn't come under hi-jacking a thread, but I just got back from rifle range. Wife and I are both shooting 6.5-284 rifles built by Kirby. Mine is not yet done with breakin, but I am seeing positive things already. Point is my wife's gun has a Kreiger palma barrel with 8.5 twist. My gun has a Lilja 3 groove with 8 twist. I am pretty sure that Kirby used the same reamer on both guns, although I asked that mine have a longer throat. I am aware that the three groove destruction of thin jacket bullets decreases with bore size.( Kirby and I talked about it before he made my gun.) What I am seeing is my wife's gun does not shoot as well with heavy jacket bullets, where my gun with a 3 groove does not seem to like thin jackets. I am up to shooting 3 shots groups and then clean. I am using nosler 140 gr. partitions and my gun is putting three shots in .450 at 200 yds. I have tried every thing I know to do and cannot get the Krieger barrel to shoot partitions. Yet it will shoot 129 hornady sst's into .500 at 200 yd. all day long. Just thought I would throw these observations into the fray. joe [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Kirby, 22 AM ?
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