04-20-2017, 05:00 PM
85_Ranger4x4 Wrote:Pretty much a new cartridge since they had to change the chamber.Meh. It's a very minor change to the neck length of the existing case. All other dimensions are unchanged.
It's not a switch to a truly new and completely different cartridge, like the changes from .45 Gov't to .30 Army, and from .30 Army to .30-03 were...
![[Image: 30-06-and-others.jpg]](http://www.shootingillustrated.com/wp-content/uploads/2010/10/30-06-and-others.jpg)
...or the proposed change from 5.56 NATO to 6.5 Grendel would be.
![[Image: index.php?size=full&src=http%3A%2F%2Fwww...5G_762.jpg]](http://images.ridemonkey.com/index.php?size=full&src=http%3A%2F%2Fwww.65grendel.com%2Fgallery%2FCrist_556_65G_762.jpg)