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|Description||Buy all items from the Survival Weapon Armory.|
Arms Dealer is an achievement/trophy in Call of Duty: Modern Warfare 3 where the player must buy all items from the Survival Weapon Armory. The weapons do not have to be bought on one playthrough. Also one does not have to buy every attachment for every gun, which means for example that once one has bought the grip for one gun, one doesn't have to buy it for any other gun.