RT just looked through some old reloader, Lyman 46, 40gr-11-13.5:45gr 11.5-13;50,11-12.5;45&50 gc cast 8-10.
Modern reloading #2,(2003);40gr 10.6-12;50gr. 9.7-11;
Cartridges of the World 2009, 40gr 11.7,45,13,50gr 12:
Sierra#2, 40gr 11-13.4,45.11-13,50gr 10.8-12.5