The flat meplats (frontal space) of SWCs and WFNs are vastly outstanding to round-nosed projectiles for transferring energy. The three loads quoted are +P masses but demonstrate no tension signs and don’t direct the bores of my revolvers. The .357 Magnum is actually the same as a .38 Special, although https://38specialbrass57899.blogmazing.com/25903545/38-special-case-for-dummies