Here's some Chrony data from my 3" 629 Talo
44 Mag Corbon 300 grain - 910fps
44 Mag Hornady 240 grain - 1175fps
44 Mag Fiocchi 240 grain - 1122fps
44 SPL Hornady Critical Defense 165 grain - 915fps
44 SPL CCI Blazer 200 grain - 720fps
44 SPL Winchester 200 grain - 772fps