Quote:
|
1:8 twist, and it's the same pressure as 223. Starting point is to use 6x45 data, but with the extra case volume max is usually 1/2 to 1 grain higher.
|
Taking the 6 x 45 and increasing case H2O capacity by a full grain to 32.5 and allowing the bullet to be run out to 2.285--QL is telling me that the 95 bst --and 25.9 gr of benchmark is a highly compressed charge boosting pressures well past 70000 psi.