The Beretta PX4 Storm Compact is a 9mm Luger DA/SA pistol with a 3.3-inch barrel, 15+1 capacity, and 27.3 oz weight. Overall length is 6.8 inches. The polymer frame has an integrated Picatinny rail and the steel slide carries a black Bruniton finish. 
 

Key Specifications 

• Brand: Beretta 
• Model Name: PX4 Storm Compact 
• Caliber: 9mm Luger 
• Action: Double Action/Single Action (DA/SA) 
• Capacity: 15+1 rounds 
• Barrel Length: 3.3 inches 
• Overall Length: 6.8 inches 
• Weight: 1.7 lbs (27.3 oz) 
• Frame Material: Polymer with Picatinny rail 
• Slide Finish: Black Bruniton Steel 
• Sights Configuration: Fixed 3-Dot White Sights 
• Safety Features: Ambidextrous manual safety and firing pin safety 
• Condition: New in Box 
   

Detailed Features 

 
The rotary barrel system is the PX4 Storm's defining mechanical feature. By rotating as it cycles, the barrel reduces recoil impulse and muzzle rise compared to tilting-barrel designs, which helps with faster follow-up shots. The interchangeable backstrap grip adjusts to different hand sizes. The ambidextrous manual safety and firing pin safety give carry-focused shooters two independent safeties. The Picatinny rail supports lights and lasers without an adapter. 
 

Target Audience 

The PX4 Storm Compact fits shooters who want a full-featured DA/SA 9mm in a compact form. It works for concealed carry, home defense, and competition, with the rotary barrel benefiting anyone who shoots fast or values soft felt recoil. 
 

Usage Scenarios 

For home defense the 15+1 capacity and accessory rail cover the practical bases. Competitive shooters benefit from the reduced recoil the rotary barrel provides during strings of fire. For concealed carry the compact dimensions and 1.7 lb weight are manageable, though it runs slightly larger than the thinnest subcompacts on the market.

The PX4 Storm Compact is well regarded for its ergonomics and the rotary barrel's noticeable effect on recoil. Owners who shoot it back-to-back with other compact 9mms frequently mention that follow-up shots feel easier. Reliability across ammunition types is a consistent positive, and accuracy at defensive distances gets good marks.

The DA/SA system is praised for flexibility but the double-action first trigger pull draws mixed feedback. Some shooters find it natural; others prefer a shorter, lighter first pull. The gun runs on the larger end for a compact, which creates debates about concealability for IWB carry. Aftermarket support is more limited than Glock or Sig Sauer, which matters for accessories and holster selection. Price relative to comparable options comes up occasionally but most owners consider the feature set a fair trade.