Ruger P91, P94 .40 S&W 10-Round Steel Magazine
P91, P944, KP91, KP944 & PC4 pistols. Blued steel, 10-Round, .40 S&W caliber magazine. This replacement magazine is a factory original from Ruger. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts which guarantees excellent fit and reliable operation.