Don't buy any gun. Be specific.

You need an 18 1/4 inch "peacemaker" shot gun, first shell buckshot - second shell a slug for short-range within the house protection. You also need a 9mm or 45. It is IMPORTANT to practice with both at a firing range and also receive NRA training.

You, and your family, deserve the security of safety which come from being prepared for violent elements within our society.