'Democrats like to say that no on needs an AR-15 for self-defense. That no one could all 30 rounds. But with this rifle is the only thing standing between your family and a dozen angry Democrats in Klan hoods - you might just need that semi-automatic, and all 3 rounds,' he says in the 31-second spot.
The spot shows Klan members, with donkey symbols on their robes, invading the candidate's backyward.
In the ad, Davison doesn't shoot the gun - but a final scene shows one of the Klan hoods, un-bloodied, floating in a swimming pool.