Redesigning the design to accommodate a different taper isn't really necessary, it shoots very well the way it is, the secret is in fact that taper. If you want to add anymore .31 diameter bands they need to be in the direction of the gas check, meaning add more weight to the bullet, keep the taper exactly the same but add more bullet that goes inside the case.Ben In the drawing in post #1 I saw that only the base drive band and the next band measure to .31. And all of the bands above it progressively get smaller in dia.
Would there be an advantage. To making the first 4 bands to .31 and then start decreasing the measurements incrementally to the nose.
The measurements that you had your mold cut to. Are they the same as what the original mold was designed at?