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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Diagnosing Issue still- advice please
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<blockquote data-quote="Greyfox" data-source="post: 779711" data-attributes="member: 10291"><p>Brent, I have been reading your posts for quite some time and the results you have gotten out of this rifle right out to 1000 yards has been very consistent with sub MOA performance. I think occasional flyers are generally due to uncontrollable, or random factors and usually not significant. The results you show seem to indicate either a mechanical issue, or less likely, a sight/target acquisition issue. I would look first. to the effects of the drop that knocked your POI off by 6" at 100 yards. </p><p>The hit to the barrel in pavement could very well have effected the bedding system, or even the barrel alignment, possibly the scope or mount, but that's usually is a result of a direct hit to the scope. I would check the axial alignment of the barrel to the scope, and the alignment of the action to the bedding system. This can be done a few ways but the easiest is to use a EXD Verticle Reticle Alignment device that fairly inexpensive and available from Brownells. This device will show barrel alignment, not bedding/ receiver alignment. If this is the problem, it seems to accentuate at longer ranges. The barrel on the LRH is not a very heavy barrel, and the bedding design, not the most secure. A heavy blow can knock it out.</p><p>The other cause of the type of target results you show a less likely in your case but I have seen it happen even with very experienced shooters, specially those that hunt more then paper shoot. Make sure that your eye is focusing on the crosshair and not the target. It's easy to put both in the same plane. This can definitely cause groups to erode at longer distances and it can happen subconsciously particularly when frustrated. This is the most common cause of poor scores during egg shoots when the rifle produces excellent results at 100 yards.</p><p>Just some thoughts.</p></blockquote><p></p>
[QUOTE="Greyfox, post: 779711, member: 10291"] Brent, I have been reading your posts for quite some time and the results you have gotten out of this rifle right out to 1000 yards has been very consistent with sub MOA performance. I think occasional flyers are generally due to uncontrollable, or random factors and usually not significant. The results you show seem to indicate either a mechanical issue, or less likely, a sight/target acquisition issue. I would look first. to the effects of the drop that knocked your POI off by 6" at 100 yards. The hit to the barrel in pavement could very well have effected the bedding system, or even the barrel alignment, possibly the scope or mount, but that's usually is a result of a direct hit to the scope. I would check the axial alignment of the barrel to the scope, and the alignment of the action to the bedding system. This can be done a few ways but the easiest is to use a EXD Verticle Reticle Alignment device that fairly inexpensive and available from Brownells. This device will show barrel alignment, not bedding/ receiver alignment. If this is the problem, it seems to accentuate at longer ranges. The barrel on the LRH is not a very heavy barrel, and the bedding design, not the most secure. A heavy blow can knock it out. The other cause of the type of target results you show a less likely in your case but I have seen it happen even with very experienced shooters, specially those that hunt more then paper shoot. Make sure that your eye is focusing on the crosshair and not the target. It's easy to put both in the same plane. This can definitely cause groups to erode at longer distances and it can happen subconsciously particularly when frustrated. This is the most common cause of poor scores during egg shoots when the rifle produces excellent results at 100 yards. Just some thoughts. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Diagnosing Issue still- advice please
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