Hornady 230 fmj rn, 5gn bullseye= 1069 fps @ 16070 psi and muzzle pressure 511psi.
With as30 at 4.5gn= 996fps at 19429 psi muzzle pressure 340 psi.
5gns of as30 run 1057 fps at 23557 psi (over...
Type: Posts; User: Davecbnz
Hornady 230 fmj rn, 5gn bullseye= 1069 fps @ 16070 psi and muzzle pressure 511psi.
With as30 at 4.5gn= 996fps at 19429 psi muzzle pressure 340 psi.
5gns of as30 run 1057 fps at 23557 psi (over...