Hodgdon lists Longshot and 572 underneath the identical bushing data. Are they a similar powder? The reloading data isn't going to seem like they are, but I don't know why Hodgdon would lump them alongside one another on the bushing chart whenever they weren't. Also I must be frequently tighten https://handloadingsupply.com/product/572-winchester-smokeless-powder-1-lb/