The claybuster wad normally takes up less Area. I purchased some 572 in an effort to dissipate the winchester wads. The mix of 572 powder, real winchester hs wad, and hs hulls stacked nicely and shot effectively. 379 inch. Even though a taper crimp may be utilized since the bullet https://handloadingsupply.com/product/572-winchester-smokeless-powder-4-lb/