- Engineered to ensure reliable feeding performance with most factory 9mm handgun loads, the Kimber® CDS9 9mm 13-Round Magazine is a genuine factory magazine featuring heat-treated steel construction with a protective matte black coating. 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. If that's not enough, this 13-round magazine comes equipped with a controlled-tilt polymer follower and stainless steel spring for consistent, jam-free operation you can depend on.