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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
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<blockquote data-quote="tlk" data-source="post: 358624" data-attributes="member: 11397"><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">JBM:</span></span></p><p> </p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Manufacturer: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Sierra</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Description: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Spitzer Boattail (GameKing) </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Caliber: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">0.308 in </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Weight: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">165.0 gr </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Ballistic Coefficients: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">0.419 [0-1600], 0.409 [1600-2400], 0.404 [2400-5000] </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">G1 </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Muzzle Velocity: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">2983.0 ft/s </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Distance to Chronograph: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">10.0 ft </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Sight Height: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">1.50 in </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Sight Offset: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">0.00 in </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Zero Height: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">0.00 in </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Zero Offset: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">0.00 in </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Windage: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">0.000 MOA </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Elevation: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">0.000 MOA </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Line Of Sight Angle: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">0.0 deg </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Cant Angle: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">0.0 deg </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Wind Speed: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">10.0 mph </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Wind Angle: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">90.0 deg </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Target Speed: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">0.0 mph </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Target Angle: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">90.0 deg </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Temperature: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">70.0 °F </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Pressure: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">29.92 in Hg </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Humidity: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">75.0 % </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Altitude: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">1047.0 ft </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Vital Zone Radius: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">2.0 in </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Std. Atmosphere at Altitude: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">No </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Pressure is Corrected: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Yes </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Zero at Max. Point Blank Range: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">No </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Target Relative Drops: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Yes </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Mark Sound Barrier Crossing: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">No </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Include Extra Rows: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">No </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Column 1 Units: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">1.00 in </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Column 2 Units: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">1.00 MOA </span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Round Output to Whole Numbers: </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">No</span></span></p><p> </p><p> </p><p>Jacksonrifles.com:</p><p> </p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">Sierra 165 GK</span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Bullet description</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">2983 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Muzzle speed (fps)</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">165 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Bullet wt (gn)</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">0.474 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">BC</span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">1</span></span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">00 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Special range (yd)</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">0 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Start range (yd)</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">50 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Increment (yd)</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">0.00 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Impact Ht. (in)</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">100 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">at Zero range (yd)</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">10 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Wind speed (mph)</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">3.0 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Wind dir. (o'clock)</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">20 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Temp. (Celcius)</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">1047 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Altitude (feet)</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">1000 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Pressure (mbar)</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">1.50 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Scope Ht. (in)</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">1.05 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">in./MOA @ 100 yds</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">0.50 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">******. Coeff. rate</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px"><span style="color: #0000ff">1300 </span></span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Break Velocity (fps)</span></span></p><p> </p><p><em><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Calculated data & constants:</span></span></em></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">0.502 </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Adjusted BC</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">4269 </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Retardation coeff.</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">4521 </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Adj. ******. Coeff.</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">1000 </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Standard pressure</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">246 </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Mayewski constant</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">68 </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Temp. (Faht.)</span></span></p><p><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">2.04 </span></span><span style="font-family: 'Arial Narrow'"><span style="font-size: 10px">Drop at Zero</span></span></p><p> </p><p>I found part of the issue - Jacksonrifles.com has the temp in celcius. Have to jack it down to get it to where you want it in Farenheit (sp?). Still have .7 MOA delta at 600, though.</p><p> </p><p> </p><p>Thanks for your help - it is much appreciated.</p></blockquote><p></p>
[QUOTE="tlk, post: 358624, member: 11397"] [FONT=Arial Narrow][SIZE=2]JBM:[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Manufacturer: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Sierra[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Description: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Spitzer Boattail (GameKing) [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Caliber: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]0.308 in [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Weight: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]165.0 gr [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Ballistic Coefficients: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]0.419 [0-1600], 0.409 [1600-2400], 0.404 [2400-5000] [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]G1 [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Muzzle Velocity: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]2983.0 ft/s [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Distance to Chronograph: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]10.0 ft [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Sight Height: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]1.50 in [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Sight Offset: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]0.00 in [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Zero Height: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]0.00 in [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Zero Offset: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]0.00 in [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Windage: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]0.000 MOA [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Elevation: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]0.000 MOA [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Line Of Sight Angle: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]0.0 deg [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Cant Angle: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]0.0 deg [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Wind Speed: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]10.0 mph [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Wind Angle: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]90.0 deg [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Target Speed: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]0.0 mph [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Target Angle: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]90.0 deg [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Temperature: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]70.0 °F [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Pressure: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]29.92 in Hg [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Humidity: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]75.0 % [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Altitude: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]1047.0 ft [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Vital Zone Radius: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]2.0 in [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Std. Atmosphere at Altitude: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]No [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Pressure is Corrected: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Yes [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Zero at Max. Point Blank Range: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]No [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Target Relative Drops: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Yes [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Mark Sound Barrier Crossing: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]No [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Include Extra Rows: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]No [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Column 1 Units: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]1.00 in [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Column 2 Units: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]1.00 MOA [/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]Round Output to Whole Numbers: [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]No[/SIZE][/FONT] Jacksonrifles.com: [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]Sierra 165 GK[/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Bullet description[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]2983 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Muzzle speed (fps)[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]165 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Bullet wt (gn)[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]0.474 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]BC[/SIZE][/FONT][FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]1[/COLOR][/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]00 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Special range (yd)[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]0 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Start range (yd)[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]50 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Increment (yd)[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]0.00 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Impact Ht. (in)[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]100 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]at Zero range (yd)[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]10 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Wind speed (mph)[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]3.0 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Wind dir. (o'clock)[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]20 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Temp. (Celcius)[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]1047 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Altitude (feet)[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]1000 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Pressure (mbar)[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]1.50 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Scope Ht. (in)[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]1.05 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]in./MOA @ 100 yds[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]0.50 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]******. Coeff. rate[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2][COLOR=#0000ff]1300 [/COLOR][/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Break Velocity (fps)[/SIZE][/FONT] [I][FONT=Arial Narrow][SIZE=2]Calculated data & constants:[/SIZE][/FONT][/I] [FONT=Arial Narrow][SIZE=2]0.502 [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Adjusted BC[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]4269 [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Retardation coeff.[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]4521 [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Adj. ******. Coeff.[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]1000 [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Standard pressure[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]246 [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Mayewski constant[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]68 [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Temp. (Faht.)[/SIZE][/FONT] [FONT=Arial Narrow][SIZE=2]2.04 [/SIZE][/FONT][FONT=Arial Narrow][SIZE=2]Drop at Zero[/SIZE][/FONT] I found part of the issue - Jacksonrifles.com has the temp in celcius. Have to jack it down to get it to where you want it in Farenheit (sp?). Still have .7 MOA delta at 600, though. Thanks for your help - it is much appreciated. [/QUOTE]
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