From left.: Federal Low Recoil Hydra-Shok .327 Federal Magnum, Hornady Critical Defense .38 Special, Hornady American Gunner .357 Magnum, SIG V-Crown .44 Special, Garrett Hammerhead .44 Magnum, Hornady Critical Defense .45 Colt.
Here's a roundup of popular revolver cartridges for defense applications. We're going to stick with popular rounds chambered by major makers. No pistol rounds, some of which are found in revolvers today, will not be included.