7 Reasons to Use .327 Federal Magnum for Self-Defense | An Official Journal Of The NRA
The .38 Special will fit in .357 magnum chambers, and the .44 special will fit in .44 magnum chambers. Are there any other compatible calibers out there? - Quora
327 Magnum vs .357 Magnum | Ammunition Depot
Ruger SP101 Revolver .327 Federal Magnum Review - Shooting Times