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Long Range Hunting & Shooting
Left @ 300 yds - Right @ 1000 yds? WTH?
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<blockquote data-quote="Pdvdh" data-source="post: 245233" data-attributes="member: 4191"><p><strong>Re: My Spindrift Test Results</strong></p><p></p><p>OK. For those that still have the interest...</p><p></p><p>I shot both rifles again in windless conditions, after getting the scopes mounted properly. My scopes are now mounted parallel with the barrelled receivers and with crosshairs perpendicular with the barrelled receiver. I've install bubble levels on both rifles to minimize any shooter induced canting of the rifles.</p><p></p><p>I first sighted both rifles dead on at 990 yds. I next shot both rifles at 300 yds and measured the distance the bullets were hitting to the left of poa.</p><p></p><p>My 300 Win Mag, 210 gr Berger VLD Match, ~2900 fps MV, 1-10 twist barrel - is hitting <strong>3 1/2" left</strong> at 300 yds in order to hit dead on at 990 yds. These 210 VLD bullets hit approximately <strong>1.11 moa left</strong> at 300 yds in order to hit directly on at 990 yds out of my rifle.</p><p></p><p>My 7mm Rem Mag, 168 gr Berger VLD Match, ~3070 fps MV, 1-9 1/4 twist barrel - is hitting <strong>4" left</strong> at 300 yds in order to hit dead on at 990 yds. These 168 VLD bullets hit about <strong>1.27 moa left</strong> at 300 yds in order to hit dead on at 990 yds out of my rifle.</p><p></p><p>From what I've read, 1/2 to 1 moa spindrift is typical at 1000 yds with these long, streamlined VLD bullets. Both bullets are drifting to the right more than 1 moa in my rifles. I don't know what's causing the additional left to right drift. But the majority of my drift is attributable to spindrift.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 245233, member: 4191"] [b]Re: My Spindrift Test Results[/b] OK. For those that still have the interest... I shot both rifles again in windless conditions, after getting the scopes mounted properly. My scopes are now mounted parallel with the barrelled receivers and with crosshairs perpendicular with the barrelled receiver. I've install bubble levels on both rifles to minimize any shooter induced canting of the rifles. I first sighted both rifles dead on at 990 yds. I next shot both rifles at 300 yds and measured the distance the bullets were hitting to the left of poa. My 300 Win Mag, 210 gr Berger VLD Match, ~2900 fps MV, 1-10 twist barrel - is hitting [B]3 1/2" left[/B] at 300 yds in order to hit dead on at 990 yds. These 210 VLD bullets hit approximately [B]1.11 moa left[/B] at 300 yds in order to hit directly on at 990 yds out of my rifle. My 7mm Rem Mag, 168 gr Berger VLD Match, ~3070 fps MV, 1-9 1/4 twist barrel - is hitting [B]4" left[/B] at 300 yds in order to hit dead on at 990 yds. These 168 VLD bullets hit about [B]1.27 moa left[/B] at 300 yds in order to hit dead on at 990 yds out of my rifle. From what I've read, 1/2 to 1 moa spindrift is typical at 1000 yds with these long, streamlined VLD bullets. Both bullets are drifting to the right more than 1 moa in my rifles. I don't know what's causing the additional left to right drift. But the majority of my drift is attributable to spindrift. [/QUOTE]
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Left @ 300 yds - Right @ 1000 yds? WTH?
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