Here is the current cheapest supplier, with 51 cases in stock:

7.5x55mm Swiss Ammo | Bulk 7.5x55mm Swiss Ammunition For Sale Cheap

54.2 Cents each

Same price, 45 cases in stock:

7.5x55 Ammo for Sale - 7.5x55mm Swiss Ammunition


same price:

7.5x55 Swiss Ammo for Sale at Widener's