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Using Applied ballistic elite there are around 4-5 different models for the 140 ELD 

all giving different BC’s from .301 upto and around the .326 

Applied Ballistics Has a truing function built in and using it confirmed a BC of .310  (  this is for long range BTW ) 

this taken from the Hornady website 

Expanded BC Values for ELD® Match Bullets

  • Mach 2.25 (2512 fps* and above) - Velocities above 2,500 fps and distances out to 300 yards. 
  • Mach 2.0 (2232 fps*) - Mid-range shooting where the bullet spends time in flight after slowing down.
  • Mach 1.75 (1953 fps*) - Long-range shooting where much of the bullet flight occurs after velocity loss

 

 

6.5mm 140 gr. ELD Match
0.646 G1
0.326 G7 
0.637 G1
0.320 G7
0.616 G1
0.310 G7 

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So which BC figure should we go by then 🤔

Only ballistitian need reply 😉

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If your shooting 1000 yard  then you want the .310 G7 BC  ie the Mach 1.75 (1953 FPS ) 

Just look at the post above from Hornady and refer it to the distance your shooting and there is the BC they recommend you should use. 
 

it’s plain as day. 

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Not sure without checking but my bal cal reading are usually very close using the highest BC figures..

I've not used the bullet shown above though 

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If your happy with your data and it suits your purpose  there’s no need to mess with it 👍 

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