For field use with the S&W 45 ACP check out Buffalo Bores 45 Auto Rim loads, or if you prefer to use moon clips in the field their 45 ACP loads.

If you want to laod your won take a look at the older Speer loading manuals, the No6, No7 or No8.

They show loads fired in a S&W Mod 25 with a 240 gr cast SWC at 1192fps.