The Beretta PX4 G-SD is a 9mm Luger semi-automatic pistol with a double-action/single-action trigger and a Type-G decocker. Barrel is 4 inches, overall length 7.5 inches, height 5.50 inches, width 1.40 inches. Capacity is 10+1 rounds. Empty weight is 28.80 oz. The polymer frame has a front Picatinny rail. The steel slide has a black Bruniton finish with front and rear serrations. Sights are a High-Viz orange front and black rear. 
 

Key Specifications 

• Manufacturer: Beretta 
• Model: PX4 G-SD 
• Type: Semi-Automatic Pistol 
• Action: Double Action/Single Action 
• Caliber: 9mm Luger 
• Barrel Length: 4 inches 
• Overall Length: 7.5 inches 
• Height: 5.50 inches 
• Width: 1.40 inches 
• Capacity: 10 rounds (10+1) 
• Weight: 28.80 oz (empty) 
• Frame Material: Polymer with Picatinny Rail 
• Slide Material: Steel with Black Bruniton finish 
• Sights: High-Viz Orange Front Sight / Black Rear Sight 
   

Detailed Features 

The Type-G decocker lets you lower the hammer safely without pulling the trigger, useful for carry configurations where you want a DA first pull. Front Picatinny rail accepts lights and lasers without needing an adapter. The oversized magazine release works with gloves on. Front and rear slide serrations give you multiple grip points for charging. The heavy-profile barrel helps manage muzzle rise under sustained fire.

The Beretta PX4 G-SD 9mm generally earns solid marks from owners, with the ergonomics getting the most consistent praise. The frame shape fits a wide range of hand sizes comfortably, and most owners report no issues running the gun through extended range sessions.

Reliability is another frequent positive. The PX4 feeds reliably across a range of 9mm ammunition types, and functional complaints are uncommon. The DA/SA system is appreciated by experienced shooters for the flexibility of a heavy first-pull safety margin with lighter subsequent pulls; newer shooters sometimes find the double-action trigger heavy or take time to adapt.

The main criticisms are about size and weight: the PX4 is on the larger and heavier end of the 9mm pistol category, which makes it less suited for concealed carry than slimmer alternatives. The 10-round capacity (in restricted markets) draws some frustration. Aftermarket support is more limited than for Glock or M&P platforms, which matters to buyers who plan to customize.