The English and Canadians and others made it through WWII using the 38 S&W and they didn't have BB. A great cartridge. It can be fired in the backyard or indoors. With the standard round nose load there is virtually no recoil, no muzzle blast, and ear protection is a matter of your choice. Got a Terrier here in the drawer, and I feel perfectly fine about it.

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Dr. B