BERETTA 92FS 17RD 9MM MAGAZINE hese 9mm 17-round factory magazines from Beretta come in a high-polished blue finish and are made to fit all full-size Beretta Model 92 pistols, except Type-M and old Model 92 and 92S pistols using a single stack magazine. Magazine Capacity: 9mm – 17 Rounds (+2 rounds compared to standard factory magazines and still flush fit) Finish: Highly-polished blue finish.