Building on the popularity of the 6.5 Creedmoor, the 6mm Creedmoor gives you all the benefits of the 6.5mm Creedmoor, but with even lower recoil. Cartridge: 6 Creedmoor Quantity: 50 or 500 The 6 Creedmoor brass from Peterson Cartridge Company is available with either a standard large rifle primer pocket or a small rifle primer pocket which allows for improved powder ignition and possibly higher velocities. Mfg: Peterson Cartridge