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Rifles, Reloading, Optics, Equipment
Gunsmithing
Bedding light contour barrel
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<blockquote data-quote="Pdvdh" data-source="post: 1393333" data-attributes="member: 4191"><p>Hah... Lol</p><p>A little more background/clarification might be in order on my experience with POI shifts. Last fall/winter, I ran an experiment with 5 of what I considered my better rifles. About every 3-5 weeks I'd haul them all out, let them come to ambient air temps along with the ammo. Fire one shot with each at 300yds and record POIs. Well they all experienced minor POI shifts over time. That's what I was referring to. All synthetic and "stable" stocks. "Minor" yet disappointing small shifts in POI was the norm. Could be optical related? Could be temp related? Could be me related. Trigger finger related. One rifle consistently performed a little better than the others. But the shifts in POI were there enough that I felt they were not simply background noise/clutter. I think they were real. Generally less than 1.5" shifts from zero at 300yds. Consistent with what I've experienced over the past 10 -15 years when I check rifle zero just before I take a rifle out hunting. Whatever the gremlin(s) causing the slight shifts in POI are, I believe they are real.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> I should also clarify that the general POI shifts were in random directions. Never further and further shifting from zero that increases in one consistent direction. Never really required any turret adjustment. I learned the shifts all varied about the correct turret setting for the rifles, all in all. So I stopped adjusting the turrets and just recorded POIs. Hope this makes sense (more sense).</p><p></p><p>BTW, I have no illusions I'm David Tubbs.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1393333, member: 4191"] Hah... Lol A little more background/clarification might be in order on my experience with POI shifts. Last fall/winter, I ran an experiment with 5 of what I considered my better rifles. About every 3-5 weeks I'd haul them all out, let them come to ambient air temps along with the ammo. Fire one shot with each at 300yds and record POIs. Well they all experienced minor POI shifts over time. That's what I was referring to. All synthetic and "stable" stocks. "Minor" yet disappointing small shifts in POI was the norm. Could be optical related? Could be temp related? Could be me related. Trigger finger related. One rifle consistently performed a little better than the others. But the shifts in POI were there enough that I felt they were not simply background noise/clutter. I think they were real. Generally less than 1.5" shifts from zero at 300yds. Consistent with what I've experienced over the past 10 -15 years when I check rifle zero just before I take a rifle out hunting. Whatever the gremlin(s) causing the slight shifts in POI are, I believe they are real.:) I should also clarify that the general POI shifts were in random directions. Never further and further shifting from zero that increases in one consistent direction. Never really required any turret adjustment. I learned the shifts all varied about the correct turret setting for the rifles, all in all. So I stopped adjusting the turrets and just recorded POIs. Hope this makes sense (more sense). BTW, I have no illusions I'm David Tubbs.:D [/QUOTE]
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Bedding light contour barrel
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