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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Strange groups, Rifle? shooter? or load?
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<blockquote data-quote="SBruce" data-source="post: 581681" data-attributes="member: 21068"><p>Might also try a different bullet weight. Maybe something like 115 grn. Just to see if it's still showing the same pattern.</p><p> </p><p>If this is happening on a consistant basis, and is repeatable.......it makes me think something is loose or getting loose due to recoil, either internal in scope or with the rings/bases/action. </p><p> </p><p>Other things that often come to mind are barrel heat, but a good proper built barrel shouldn't do this with only 3 or 4 rounds, especially with a varmint countour tube. Sounds like you're letting it cool enough. Most competition tubes are shot at least 10, 20 or more rounds per relay and they don't exhibit poi change due to heat, if they did they would never win. </p><p> </p><p>If heat is causing poi change, and the rifle is bedded correctly, then something is wrong with the barrel or barrel steel IMO.</p></blockquote><p></p>
[QUOTE="SBruce, post: 581681, member: 21068"] Might also try a different bullet weight. Maybe something like 115 grn. Just to see if it's still showing the same pattern. If this is happening on a consistant basis, and is repeatable.......it makes me think something is loose or getting loose due to recoil, either internal in scope or with the rings/bases/action. Other things that often come to mind are barrel heat, but a good proper built barrel shouldn't do this with only 3 or 4 rounds, especially with a varmint countour tube. Sounds like you're letting it cool enough. Most competition tubes are shot at least 10, 20 or more rounds per relay and they don't exhibit poi change due to heat, if they did they would never win. If heat is causing poi change, and the rifle is bedded correctly, then something is wrong with the barrel or barrel steel IMO. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Strange groups, Rifle? shooter? or load?
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