These are the same boxes that you receive your .338 Lapua Magnum and .300 Winchester Magnum brass in when you order from Peterson Cartridge.
The Peterson Cartridge Medium Ammo Box is perfect for your .338 Lapua Magnum and .300 Winchester Magnum ammo. The box is made from a heavy plastic which is weatherproof and practically indestructible. It has fifty individual compartments to keep your casings protected and can hold a loaded whole round up to 3.961 inches tall.