Ruger Extended Black LC9/LC9S 9mm Luger Handgun Magazine - 9 Rounds. Increase your magazine capacity to 9 rounds with this extended magazine for the LC9 and LC9s. In addition to providing you with two extra 9mm Caliber rounds, this magazine features an integrated grip extension on the end of the grip. This Genuine Ruger Factory Magazine is designed for use with the Ruger LC9s pistol, but is also compatible with all prior generation LC9 pistols. This is a Ruger factory original magazine. Manufactured to the same specifications and tolerances using the same materials as the original magazine that came with the pistol, ensuring optimal fit and reliability.