rooster740
Well-Known Member
I would not even consider load development until you have 100-150 rounds down the tube and twice fired brass.
every barrel is different. I had identical 7.5 twist proof barrels one over pressurized at 2900 fps one loved 2950fps and 3020fps.
every barrel is different. I had identical 7.5 twist proof barrels one over pressurized at 2900 fps one loved 2950fps and 3020fps.