Pearce Grip Extension Kahr Mk9/k9/e9/k40 2 Pk. They do not alter the capacity of the magazine. These extensions will add approximately 5/8" additional length Specifications for Pearce Grip Extension Kahr Mk9/k9/e9/k40 2 Pk: Manufacturer: Pearce Grip Color: Black Finish: Matte Fabric/Material: Rubber Gun Make: Kahr Arms Additional Features: Finger Grooves Package Contents: Pearce Grip Pearce Magazine Grip Extension Kahr Mk9/k9/e9/k40 (2 Pk) The Pearce Grip Pearce Magazine Grip Extension Kahr Mk9/k9/e9/k40 (2 Pk) is a quality addition to the Pearce Grip lineup. For more great deals on Gun Parts by Pearce Grip please browse our Pearce Grip Gun Parts page. Pearce Grip Pearce Magazine Grip Extension Kahr Mk9/k9/e9/k40 2 Pk