Some styles never fade; the tuxedo, the little black dress or the martini. They’re go-to icons of classic style and functionality. Along the same lines is the full-sized .38 revolver. Six rounds of widely-available ammo in a package that rarely fails that delivers only a little more recoil than a .22 auto. It’s the ideal bedside gun for those unfamiliar with firearms who might lack the coordination, strength or inclination to wield a shotgun indoors . . .