Er...not quite, Tez...this one, although 'obsolete', shades it...with any bullet weight, loaded to the same pressures...Tez wrote:240Wby is king of the factory hunting 6mm's, that's common knowledge
http://www.chuckhawks.com/244H-H_Mag.htm
Ross Seyfried designed a modern version for Guns and Ammo Magazine about a dozen years ago, specifically to break 4000fps with a 6mm, too.
Ed