75% of the shoppers at Walmart are females. In order to increase the amount of males spending money at Walmart they lower the prices of certain products that men buy. Guns are one of those items. So when a male goes into Walmart and purchases a firearm at cost they also purchase ammo, doritos, soda, and a DVD player.Walmart makes its $. Economics and marketing at its finest. Sad to say its a business world where the almighty dollar is King.