What AR's are good for....

Heavily pregnant mother uses an AR-15 to kill a home intruder after two men burst into her Florida home, pistol whipped her husband and grabbed their 11-year-old daughter

• Jeremy King was brutally attacked when two armed, masked men stormed into his home in Lithia, Florida last Wednesday night
• He said the men started grabbing his 11-year-old daughter and pistol-whipping him as they demanded money
• King said one of the men fired a shot at his eight-month pregnant wife when she came out of the bedroom to see what was happening
• She quickly grabbed their AR-15 and started shooting at the armed intruders
• King's wife fatally struck one of the intruders as he tried to flee and police said they are still searching for the other suspect  
• King had to have 20 stitches and three staples in his head following the attack