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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Consistent 3 inch 1000 yard groups
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<blockquote data-quote="Steve Shelp" data-source="post: 180851" data-attributes="member: 22"><p>Edge,</p><p> Good question. To me it breaks down into 2 catagories. If you have great conditions like described above and you get beat.... typically your target will show up/down tendancies the majority of the time. Meaning your load is off a little or you need to adjust neck tension or seating depth a little bit.</p><p></p><p> But on "typical" days during a match when there is wind and mirage if you take the targets that rank in the upper 50% bracket still show up/down in their groups. But the targets that are scored in the lower 50% bracket are the targets that typically show left and right. These are the shooters that got caught in a condition change or didn't read the wind/mirage correctly.</p><p></p><p> Like I said I use to keep the stats at the club and have helped score many targets during competitions and most of the time the better groups will show vertical and the worst groups show horizontal patterns within the group.</p><p></p><p>Getting rid of up/down is the hardest thing to do in this game. The IBS 10 shot HG group record was broken this year with a 3.391" target and it had up/down in it. But it's still an record. That is why the melpat trimming experiments started several years ago. Along with other things. But you have to have a good shooting rifle to be able to see this vertical change at all.</p><p></p><p> And on top of that, a lot of guys try to work on their guns, wear out barrels, waste bullets, study chronograph stats until their eyes bleed thinking all this vertical is in their load. But if they would stop and watch the mirage once in awhile... what direction does mirage move in? Yep, up and down with some left to right. And then they wonder why small groups show up/down all the time when the mirage moves your aiming point up and down. It's not a coincidence in my book.</p><p></p><p>Steve</p></blockquote><p></p>
[QUOTE="Steve Shelp, post: 180851, member: 22"] Edge, Good question. To me it breaks down into 2 catagories. If you have great conditions like described above and you get beat.... typically your target will show up/down tendancies the majority of the time. Meaning your load is off a little or you need to adjust neck tension or seating depth a little bit. But on "typical" days during a match when there is wind and mirage if you take the targets that rank in the upper 50% bracket still show up/down in their groups. But the targets that are scored in the lower 50% bracket are the targets that typically show left and right. These are the shooters that got caught in a condition change or didn't read the wind/mirage correctly. Like I said I use to keep the stats at the club and have helped score many targets during competitions and most of the time the better groups will show vertical and the worst groups show horizontal patterns within the group. Getting rid of up/down is the hardest thing to do in this game. The IBS 10 shot HG group record was broken this year with a 3.391" target and it had up/down in it. But it's still an record. That is why the melpat trimming experiments started several years ago. Along with other things. But you have to have a good shooting rifle to be able to see this vertical change at all. And on top of that, a lot of guys try to work on their guns, wear out barrels, waste bullets, study chronograph stats until their eyes bleed thinking all this vertical is in their load. But if they would stop and watch the mirage once in awhile... what direction does mirage move in? Yep, up and down with some left to right. And then they wonder why small groups show up/down all the time when the mirage moves your aiming point up and down. It's not a coincidence in my book. Steve [/QUOTE]
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Consistent 3 inch 1000 yard groups
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