PMC makes a very consistently pristine cartridge as their name would suggest (Precision Made Cartridge) partially because of the total control they have over the supply chain and materials used for manufacturing. These 115 grain 9mm rounds are clad in a copper full metal jacket with a consistent powder charge new reloadable brass and non-corrosive boxer primers -- all sourced from within PMC's own factories and parent facilities. The control they have over their materials and components allows for extreme quality control making all their sporting ammo compatible with SAAMI standards MIL-SPEC standards and their internal QC is governed by ISO Bureau Veritas quality certification standards. This ISO certification is very highly sought-after within this industry.When you open a box of PMC you will notice how clean reflective and perfect the rounds are. Their refined manufacturing process has clear results: a precisely made and affordable sporting cartridge for the American firearms community.