Some ammo is excluded like XTP. Most FMJ and sporting HP’s are on sale. I got a few boxes of FMJ .357 ammo at just over $32 a box of 50 (1400 fps)
https://underwoodammo.com/357-mag-158gr-range-supply-full-metal-jacket-hunting-ammo/
https://underwoodammo.com/357-mag-158gr-range-supply-full-metal-jacket-hunting-ammo/