Jeremy King was brutally attacked when two armed and masked men stormed his home in Lithia, Florida on Wednesday night.
He added that the men had started seizing their 11-year-old daughter and whipping him with a firearm while claiming money.
King said one of the men shot his eight-month-old pregnant wife when she left the room to see what was happening.
He quickly seized his AR-15 and started shooting at armed intruders.
King's wife fatally hit one of the intruders as she tried to flee and the police said they were still looking for the other suspect.
King had to have 20 points and three staples