Beretta PX4 Storm Full-Size 9mm 10-Round Pistol
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About this product
The Beretta PX4 Storm full-size 9mm 10-round pistol is a polymer-frame semi-auto built for reliable service and straight-shooting handling. It uses a rotating-barrel locked breech to cut down felt recoil and keeps accuracy high shot after shot. This model ships with a 10-round magazine, making it compliant in restricted states while still offering full-size grip and control. Per Beretta specs, the chrome-lined barrel resists corrosion and extends service life, even with regular range use.
| Manufacturer | Beretta |
|---|---|
| Model | PX4 Storm Full-Size |
| Material | Polymer frame, steel slide |
| Compatibility | 9mm Luger, 10-round magazines |
| Finish | Bruniton matte black |
| Weight | 27.7 oz (unloaded, per manufacturer specs) |
| Condition | New |
Key Features
- Rotating-Barrel Locked Breech – Why it matters: This system reduces muzzle rise and felt recoil noticeably, letting you stay on target faster for follow-up shots. It also helps with reliability by keeping the barrel aligned during cycling.
- Chrome-Lined Barrel – Why it matters: Chrome lining adds corrosion resistance and extends barrel life, especially if you shoot frequently or in humid conditions. According to Beretta specs, it also aids in consistent accuracy over thousands of rounds.
- Interchangeable Backstraps – Why it matters: Three included backstraps let you dial in palm swell and trigger reach. This means a more natural point of aim for different hand sizes, from small to large.
- Ambidextrous Controls – Why it matters: The slide stop and magazine release are reversible, and the frame has ambidextrous decocker/safety levers. Left-handed shooters can run this gun without mods, and righties get the same easy access.
- Picatinny Accessory Rail – Why it matters: The integral rail accepts standard lights and lasers, making the PX4 Storm ready for low-light use or home defense setups without adapters.
Who It's For
This pistol is a solid fit for new gun owners who want a full-size 9mm that's easy to shoot and maintain. It's also a good choice for left-handed shooters, thanks to the ambidextrous controls, and for anyone living in a state with 10-round magazine limits who still wants a full-size frame for better grip and control. The rotating-barrel action makes it a smart pick for shooters sensitive to recoil, like those with smaller hands or less hand strength.
Pros & Cons
- Pros: Low recoil for a full-size 9mm, reliable cycling, ambidextrous out of the box, chrome-lined barrel for longevity, rail for accessories, 10-round compliant while keeping full-size ergonomics.
- Cons: The rotating-barrel system can be a bit harder to field strip compared to a Browning-style tilting barrel. Some users find the trigger has a slightly longer reset than competitors like the Glock 17.
Comparison
| Feature | Beretta PX4 Storm Full-Size | Glock 17 Gen5 | SIG Sauer P320 Full-Size |
|---|---|---|---|
| Caliber | 9mm | 9mm | 9mm |
| Barrel Length | 4.0 inches | 4.49 inches | 4.7 inches |
| Weight (unloaded) | 27.7 oz | 22.0 oz | 29.6 oz |
| Recoil System | Rotating barrel | Tilt barrel | Tilt barrel |
| Magazine Capacity | 10 rounds (standard) | 17 rounds (standard) | 17 rounds (standard) |
| Safety | Ambidextrous decocker/safety | Trigger safety only | Trigger safety only |
| MSRP (approx) | $673.88 | $599 | $649 |
FAQ
Is the Beretta PX4 Storm full-size 9mm 10-round pistol reliable for self-defense?
Yes, it's a proven design with a rotating-barrel system that feeds a wide range of 9mm ammo reliably. Law enforcement and military units have used it. The 10-round magazine limits capacity, but the full-size frame still gives you good control.
Can I use standard PX4 Storm magazines in the 10-round version?
No, the 10-round model uses a specific magazine with a dimpled body to limit capacity. Standard 17-round or 20-round magazines will not fit the 10-round grip frame. You'll need to buy 10-round specific mags for this model.
How do I field strip the Beretta PX4 Storm?
Field stripping is a bit different from a typical Glock or SIG. You lock the slide back, rotate the takedown lever, and then pull the slide forward off the frame. The rotating barrel requires aligning a notch with the slide. It takes a few tries to get the hang of it, but it's straightforward once you do.
Does the PX4 Storm fit most holsters?
Yes, but because of the rotating barrel and unique slide profile, it's best to use holsters specifically molded for the PX4 Storm full-size. Many manufacturers like Safariland and Blackhawk make compatible options. Universal holsters may not retain it securely.
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Last updated: April 2026
Browse more options in our Semi Auto Handguns or check out 9mm Pistols. For accessories, see our Holsters category.