The risk of not having ammunition is factored in to the price in this example. For the same reason, I may pay 2x for marketing collateral I need for a trade sho

The risk of not having ammunition is factored in to the price in this example. For the same reason, I may pay 2x for marketing collateral I need for a trade show from a local supplier instead of purchasing online because the risk of not having it for the show is reduced. The price of goods in a free market is never necessarily the same in all contexts where transactions take place.