"[There are also a lot of handgun cartridges that are not commonly used by law enforcement and thus haven't received the "vast improvements" that cartridges like 9mm, .357 Sig, .40 S&W, and .45 ACP have. For these cartridges, "last century ammo" is oftentimes still the best available.]"
The 158gr SWC Dos'nt need any improvements & the 125 SJHP in Rem. or Fed
Dos'nt need any either JMO & Been great loads when applied correctly