http://www.rifleshootermag.com/ammo/ammunition_rs_thelongsuffering_200812/

Pretty good info and history on perhaps why the 6.5 has found favor in Europe for the past 100 plus years and why it is being used more readily now for different sporting competition as well as hunting..

Hornady tech info

https://www.hornady.com/bullets/eld-x#!/#product-lineon their bullet..bc/sd

Ripp