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Rifles, Reloading, Optics, Equipment
Reloading
bullets to use
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<blockquote data-quote="Kenster-Boy" data-source="post: 83184" data-attributes="member: 2330"><p>Well my theory is that whatever twist you have just doesn't want to stabilize the 180 gr bullets. Try to go heavier of lighter. (try heavier first) because with that cal the 180's are pretty light. </p><p></p><p>About the two separate groups thing. I have to ask what number the shots are. If one hits one group then the next hits the next and so on. It is an indication of either poor bedding or no bedding at all. (the way the harmonics of your barrel are they are swithing back and forth on where the whole kalamity stops moving.) Or even if the shots aren't alternating in order it could still possibly be the bedding. </p><p></p><p>The other possiblity is that your velocities aren't even. Say one bullet is going 3200 and the next bullet is going 3300. Now that's an extreme example but it takes a pretty extreme spread to make a 1 inch difference at 100 yards. It is a very likely possiblity especially if the other reloads aren't giving two separate groups. Jut not enough powder to evenly fill the case or something that's giving different groups.</p><p></p><p>All these are possiblities and none match your scenario 100 percent so the first thing I would try is going to a different grain of bullet. </p><p></p><p>Good Luck and just my $.02</p></blockquote><p></p>
[QUOTE="Kenster-Boy, post: 83184, member: 2330"] Well my theory is that whatever twist you have just doesn't want to stabilize the 180 gr bullets. Try to go heavier of lighter. (try heavier first) because with that cal the 180's are pretty light. About the two separate groups thing. I have to ask what number the shots are. If one hits one group then the next hits the next and so on. It is an indication of either poor bedding or no bedding at all. (the way the harmonics of your barrel are they are swithing back and forth on where the whole kalamity stops moving.) Or even if the shots aren't alternating in order it could still possibly be the bedding. The other possiblity is that your velocities aren't even. Say one bullet is going 3200 and the next bullet is going 3300. Now that's an extreme example but it takes a pretty extreme spread to make a 1 inch difference at 100 yards. It is a very likely possiblity especially if the other reloads aren't giving two separate groups. Jut not enough powder to evenly fill the case or something that's giving different groups. All these are possiblities and none match your scenario 100 percent so the first thing I would try is going to a different grain of bullet. Good Luck and just my $.02 [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
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