Models 49 and 442:
BB Standard Pressure 158's.
Model 640 (38):
First 2 BB Standard Pressure 158's
Next 3 BB 158 +P's.
Model 340 PD:
BB 125 +P's (jacketed so no lead issues).
Ruger SS 357 Speed 6 - 2 & 3/4 inch :
BB 158 +P's.
Beside it, 2 Safariland Speed Loaders with:
Corbon DPX 357's.