Founded in Pittsburgh Pennsylvania, Peterson Cartridge strives to create not only quality brass casings but the most precise and consistent casings on the market. Each casing is inspected to ensure that it meets the high-quality control standards of Peterson Cartridge. This a Bulk Box (500) of 6.5 Creedmoor Small Primer Unprimed Brass Casings. Peterson 6.5 Creedmoor SRP Casings Bulk Box of 500 40037-P