Beretta 90 Series “D” Firing Pin. Manufactured from sturdy steel with a coated black finish, this firing pin is produced for the “D” model Beretta 90 series of pistol platforms including the 92, 96, 90-Two, M9A3, and M9A1 models chambered in 9mm and .40 S&W. This piece functions by striking the chambered round during operation and is perfect as an immediate replacement or spare.