11-23-2017, 03:29 PM
LRRPF52 Wrote:More case capacity with the optimum powder density and burn rate will result in higher mv.
The shorter, fatter powder column in a Grendel or BR-type case will burn more efficiently than an early 1900's type 30 Remington-based case.
It's one of the reasons you see 6.5 Grendel at lower working pressure getting the same speeds as a 6.8 case with the same bullet weight pushed to higher pressures.
It makes no sense at all to use a lower capacity case with inferior shaping to it when we're trying to get more mv, especially with the lower bore volume of a 6mm.
Lets just agree to disagree since I shoot them all. Do you?