Flak 'N Shrapnel's

Flak 'N Shrapnel's is a store run by Flak and Shrapnel, inhabitants of Rivet City. The store sells weapons and ammunition, along with various armors. It is one of the best places in the game to buy ammunition, and Flak and Shrapnel have one of the highest amounts of caps of any merchants in the game.

Shop inventory
Note that these are most of the things that can be in stock, the actual inventory changes every couple of days.

Other stores

 * Craterside Supply in Megaton