BERETTA Model 92A1 represent Beretta’s evolution of the world famous 92FS pistol.. The most tested and trusted personal defense weapon in history. The 92FS, designated M9 by the U.S. Military, not only meets or exceeds all U.S. Military testing guidelines, it totally rewrites them. .Combining the best elements of the 92FS and the 90-Two,these pistols feature: magazine capacity: 10 rounds in 9mm. . Completely interchangeable with other 92 family magazines.