HP-38 & W231 are the same, but... - 24hourcampfire
HP38 WIN 231 Review and Farewell - YouTube
Loads For The Bullseye Shooter - Shooting Times
WaGuns.org • View topic - Anyone using W231 for 147gr 9mm?
Some 9mm data weirdness? | Shooters' Forum
Winchester 231 | Hodgdon
Using 231 or WST for .45 ACP major - 44/45 Caliber - Brian Enos's Forums... Maku mozo!
Winchester 231 | Hodgdon
Quick Tip: Selecting the Right Powder for Your Reload - YouTube
231 POWDER for 38 special - SASS Wire - SASS Wire Forum
Using old Win231 +P load data for HP38? | Page 2 | 1911 Firearm Addicts
Versatile Powders: W231 Load Data – Ultimate Reloader
Loading 357 cases with Win 231
147g 9mm with Winchester primers and Winchester 231 powder. I loaded 3.7 grains of powder per cart. The rounds tore chunks off of my steel plate. : r/reloading
Using old Win231 +P load data for HP38? | 1911 Firearm Addicts
Anyone have any load data specific to .380 Hornady XTP in .380 and W231? | Glock Talk
147g 9mm with Winchester primers and Winchester 231 powder. I loaded 3.7 grains of powder per cart. The rounds tore chunks off of my steel plate. : r/reloading