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<blockquote data-quote="Song Dogger" data-source="post: 1493089" data-attributes="member: 101648"><p>Great feedback. I'll address all points thus far below.</p><p></p><p>On the bipod, the barrel was about 11 inches off the ground (the tufts of grass were short) with nothing supporting the butt. Pre-shot, I <em><u>felt</u></em> stable at the shoulders, and the crosshairs reflected that. Post-shot, I watched the bullets sail high through the scope, so it seems the butt couldn't have dropped <em><u>too</u></em> much. But, at the range, I do use downward pressure on the fore-end, which I didn't do on the bipod with this elk - we may be onto something there.</p><p></p><p>The ballistic app and Geovid setting indeed matched the gun's zero at 200 yards, and the rangefinder indeed compensates for angle (which was nearly flat). In fact, plugging the environmental factors into several ballistics apps, the Geovid-recommended 5.1 MOA adjustment was dead on.</p><p></p><p>No, I did not recheck the gun's shorter range points-of-impact after lowering muzzle velocity in the ballistic app. I didn't because the revised calculated drops were within 1" of my real-life field adjusted drops at <em><u>all</u></em> yardages out to 600 yards. In retrospect, I regret that, but I doubt this was a factor since the lowered muzzle velocity amounted to only 2" at 400 yards. FYI, I did try changing ballistic coefficient instead of velocity, but as Bravo 4 pointed out, it takes an unrealistically <em><u>huge</u></em> drop to make any significant difference.</p><p></p><p>As for the scope's elevation turret, it has hash marks in 1/4 MOA increments, labeled every whole MOA. For the Geovid recommended 5.1 MOA, I dialed in 5.0 on the turret since that's closer than 5.25 at the next graduation.</p><p></p><p><strong><u>Good takeaways thus far</u></strong>: ditch the lead sled for sighting in, and definitely practice more from field positions (prone and under duress) to understand face and cheek weld angle differences. Oh - and adjust parallax.</p></blockquote><p></p>
[QUOTE="Song Dogger, post: 1493089, member: 101648"] Great feedback. I'll address all points thus far below. On the bipod, the barrel was about 11 inches off the ground (the tufts of grass were short) with nothing supporting the butt. Pre-shot, I [I][U]felt[/U][/I] stable at the shoulders, and the crosshairs reflected that. Post-shot, I watched the bullets sail high through the scope, so it seems the butt couldn't have dropped [I][U]too[/U][/I] much. But, at the range, I do use downward pressure on the fore-end, which I didn't do on the bipod with this elk - we may be onto something there. The ballistic app and Geovid setting indeed matched the gun's zero at 200 yards, and the rangefinder indeed compensates for angle (which was nearly flat). In fact, plugging the environmental factors into several ballistics apps, the Geovid-recommended 5.1 MOA adjustment was dead on. No, I did not recheck the gun's shorter range points-of-impact after lowering muzzle velocity in the ballistic app. I didn't because the revised calculated drops were within 1" of my real-life field adjusted drops at [I][U]all[/U][/I] yardages out to 600 yards. In retrospect, I regret that, but I doubt this was a factor since the lowered muzzle velocity amounted to only 2" at 400 yards. FYI, I did try changing ballistic coefficient instead of velocity, but as Bravo 4 pointed out, it takes an unrealistically [I][U]huge[/U][/I] drop to make any significant difference. As for the scope's elevation turret, it has hash marks in 1/4 MOA increments, labeled every whole MOA. For the Geovid recommended 5.1 MOA, I dialed in 5.0 on the turret since that's closer than 5.25 at the next graduation. [B][U]Good takeaways thus far[/U][/B]: ditch the lead sled for sighting in, and definitely practice more from field positions (prone and under duress) to understand face and cheek weld angle differences. Oh - and adjust parallax. [/QUOTE]
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