The flat meplats (frontal space) of SWCs and WFNs are vastly exceptional to spherical-nosed projectiles for transferring Electrical power. The three hundreds quoted are +P masses but present no pressure signs and don’t guide the bores of my revolvers. The .357 Magnum is essentially the same as a .38 Special, https://emilianodxpfx.theideasblog.com/26605097/considerations-to-know-about-38-bullets-for-reloading