Lightning Ammo Primed Brass Rifle Cartridge Cases .338 Lapua Magnum 50/ct 49649308. Packaged in MTM Case-Gard Ammo Boxes in quantities of 50. This is not loaded ammunition. Specifications for Lightning Ammo Primed Brass Rifle Cartridge Cases .338 Lapua Magnum 50/ct 49649308: Manufacturer: Lightning Ammo Caliber: .338 Lapua Magnum Number of Rounds: 50 Cartridge Case Material: Brass Features of Lightning Ammo Primed Brass Rifle Cartridge Cases .338 Lapua Magnum 50/ct: Brass Made Usa Vairog Usa New Casings Primed Federal # 215 Large Rifle Magnum Primers Package Contents: Lightning Ammo Primed Brass Rifle Cartridge Cases .338 Lapua Magnum 50/ct Brass These casings are with Large Rifle Magnum Primers. Packaged in MTM Case-Gard Ammo Boxes in quantities of 50. This is not loaded ammunition. LALA6338