Engineered to deliver superior reliability in stressful environments and self-defense applications, the ProMag® Kel-Tec® P11 9mm 10-Round Blue Steel Magazine features a durable, precision-machined steel body with a corrosion-resistant blued finish for long-lasting durability and lasting field service in harsh tactical and self-defense scenarios, while numbered witness holes deliver quick visual round counts for added convenience. The high-tensile chrome silicon wire spring and controlled-tilt polymer follower work together to ensure smooth, reliable feeding performance. Better yet, the polymer floorplate is easy to remove when maintenance and cleaning are required. If that's not enough, this magazine is backed by ProMag's legendary lifetime warranty for lasting service you can truly depend on when it matters most. Order today!