- The Kimber® CDS9 9mm 15-Round Magazine is a genuine factory magazine crafted of heat-treated steel construction with a protective matte black coating for superior strength and durability. An ergonomic polymer extended floor plate integrates seamlessly with your handgun's grip for improved comfort and control, while numbered witness holes facilitate fast, visual round counts for added reliability in defensive scenarios. Plus, this magazine comes equipped with a controlled-tilt polymer follower and stainless steel spring for consistent, jam-free operation you can depend on.