The Beretta M9A4 G is a full-size 9mm semiautomatic pistol built around the M9 series platform. It combines a 5.1-inch threaded barrel with an optics-ready slide, tritium night sights, a 3-slot Picatinny rail, and decocker-only controls.

Key Specifications

• The pistol is chambered in 9mm Luger for use with compatible 9mm ammunition.
• The action is semiautomatic with a double-action/single-action operating system.
• The barrel measures 5.1 inches and features a threaded design with a 1/2×28 thread pattern.
• The magazine capacity is 18 rounds.
• The slide features a proprietary optic cut for compatible red-dot optics.
• The sight system uses tritium front and rear night sights.
• The frame is made from aluminum and includes a 3-slot Picatinny accessory rail.
• The grip material is polymer with Vertec-style thin straight grips.
• The finish is specified as Flat Dark Earth Cerakote.
• The control configuration is decocker only.

With its full-size format, threaded barrel, optics-ready slide, night sights, and accessory rail, the Beretta M9A4 G brings a well-defined feature set to range use, training, and lawful personal protection applications.

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