Beretta PX-4
The Beretta PX4 Storm stands apart from virtually every other service pistol on the market through its rotating barrel lockup system—instead of the tilting barrel used by Glock, Sig, and most others, the PX4’s barrel rotates as it unlocks, converting recoil energy into rotational force rather than straight rearward push. The result is a noticeably softer-shooting pistol that’s become a favorite for shooters sensitive to recoil. Available in full-size and compact, in 9mm, .40 S&W, and .45 ACP, the PX4 Storm is one of the most distinctive and capable service pistols available.
Read our full Beretta PX4 Storm Buying Guide ↓
How the Rotating Barrel Works
Traditional tilting-barrel pistols unlock by camming the barrel downward as the slide travels rearward—this imparts a slight downward and rearward force during recoil. The PX4’s barrel instead rotates approximately 30 degrees during unlocking, redirecting much of the recoil energy. The practical effect is reduced muzzle rise and a softer perceived recoil impulse compared to tilting-barrel designs of the same caliber. This is particularly noticeable in .40 S&W and .45 ACP, where the PX4 feels significantly more manageable than competing pistols. For shooters who find standard pistol recoil uncomfortable or fatiguing, the PX4 is worth handling before making a decision.
Full-Size vs. Compact
The PX4 Full-Size features a 4-inch barrel and 17+1 capacity in 9mm (14+1 in .40 S&W, 9+1 in .45 ACP). The Compact reduces the barrel to 3.2 inches with 15+1 in 9mm—a genuinely high-capacity compact package. Both versions share the same rotating barrel system and the interchangeable Type F (standard DA/SA with safety/decocker) and Type D (DAO) configurations available. The full-size is the better choice for duty, home defense, and range use; the compact serves carry users who want the rotating barrel’s recoil reduction in a smaller package.
DA/SA Trigger System
The PX4 uses a traditional double-action/single-action trigger system with a frame-mounted safety/decocker. The first shot fires double-action with a longer, heavier pull; subsequent shots fire single-action with a shorter, lighter pull. The frame-mounted safety/decocker serves as both a manual safety and a decocking lever—rotating it down decocks the hammer and engages the safety simultaneously, making it intuitive for users trained on DA/SA pistols. For shooters who prefer the deliberate first pull of a DA/SA action as a built-in safety layer, the PX4 is one of the best modern DA/SA options available.
CX4 Storm Carbine Companion
One of the PX4’s unique advantages is its magazine compatibility with the Beretta CX4 Storm semi-automatic carbine. The CX4 accepts PX4 magazines directly, creating a matched pistol and carbine system that shares the same ammunition and magazines. This is a practical advantage for home defense, where one set of quality magazines serves both the bedside pistol and a more capable long gun. The CX4 also uses the same rotating barrel principle, maintains the same manual of arms as the PX4, and is one of the more distinctive semi-auto carbines on the market.
Who Should Buy a PX4 Storm
The PX4 is the right choice for shooters who prioritize reduced recoil over maximum capacity, who prefer a DA/SA trigger over striker-fired, or who want a matched pistol/carbine system with the CX4. It’s particularly well-suited for shooters with wrist or hand issues that make high-recoil pistols painful to shoot, and for those transitioning from military or law enforcement DA/SA service pistols who want modern features without abandoning the trigger system they’ve trained on. At its price point it represents genuine Italian engineering quality.
Where to Go Next
Explore the full Beretta lineup including the APX A1 and 92FS on our Beretta brand page. For broader DA/SA pistol options, see our Handguns category. Ammunition for the PX4 is available on our 9mm ammo page.