Looking at a older Remington ammo sheet, the measured velocities are taken from 24 inch barrels. Your running a 28 inch tube. With the heavy charges of powder your using any guess at velocity would be a WAG.
This is the time for you to invest in a chronograph, only it can tell you how fast the bullet is traveling. That with a ballistics program you'll know how much bullet drop at any given range.
This is the time for you to invest in a chronograph, only it can tell you how fast the bullet is traveling. That with a ballistics program you'll know how much bullet drop at any given range.