All Peterson Cartridge casings come in one of their plastic ammo boxes.
Made in the U.S.A.
NOTE: If you plan to load above SAAMI max pressure and are concerned about primer-pocket leak, Peterson recommends you try the .243 Win SRP. While they do not suggest loading over SAAMI max pressures, Peterson's small primer pocket .243 Win have proven to hold up over SAAMI max pressures when tested in their universal receiver.
Warning: Only use Peterson Cartridge Co. casings in firearms in good condition, designed, marked, and chambered for this cartridge. Do not use Peterson Cartridge Co casings for “fire forming” or any other purpose other than what they were designed and tested for. Peterson retains no responsibility for the enclosed casings if they are used outside of the manufacturer’s recommendations.
This is not loaded ammunition.