Bullets are expensive these days because demonrats (ignoring that nothing actually changes that would cause an increase in costs for ammunition or even firearms, it's just a way of riling up gun nuts and increasing profits, while also providing a fake material benefit when Their Guy gets into the white house when they lower prices by a little bit.)

The only thing that actually surprises me is that he actually paid instead of just saying he would and then weaseling out when the time came to hand over the cash.