Suggest that she keep speed loader or two nearby.
.38 is fine for home defense, but the low capacity "could" be a problem during a home invasion.

There was a woman in Florida whose home was invaded. She hid in the closet with her children.... .38 revolver in hand. When the perp opened the closet door she fired, striking him 5 times in the head and neck area. She bluffed him by saying that if he didn't leave she was going to shoot him again. She was fresh out of ammo!

He retreated and the police found him on her neighbors lawn, crying and pleading for help. Had there been an accomplice or two she would have been in trouble!

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Stay protected my friends.