The Beretta USA Px4 Storm Full Size – 9mm Luger, 10+1 Capacity, 4.10" Black Steel Barrel, Black Bruniton Serrated Steel Slide, Black Polymer Frame with Picatinny Rail, Ambidextrous Controls (Model JXF9F20, UPC 082442817286) is a versatile, duty-ready semi-automatic pistol engineered for reliability, low recoil, and exceptional ergonomics. Built around Beretta’s unique rotating barrel system and a rugged polymer frame, this full-size Px4 Storm is equally at home as a home-defense pistol, range gun, or law-enforcement sidearm. Hinterland Outfitters+2Beretta Defense+2
Full-Size 9mm Performance with 10+1 Capacity
Chambered in 9mm Luger, the Px4 Storm JXF9F20 combines a manageable recoil impulse with a full-size grip and 10+1 round capacity. Gun Deals+3Gunprime+3Buds Gun Shop+3
Caliber: 9mm Luger
Capacity: 10+1 rounds – compliant with capacity-restricted jurisdictions while still providing solid firepower. Gunprime+2KYGUNCO+2
Action: Traditional DA/SA (double-action/single-action) for a long, deliberate first pull and light, crisp subsequent shots. Gunprime+2Omaha Outdoors+2
The full-size grip and weight (~27.7 oz unloaded) help tame muzzle flip and make extended range sessions more comfortable and controllable. KYGUNCO+3Gunprime+3Omaha Outdoors+3
4.10" Chrome-Lined Rotating Barrel for Reduced Recoil
At the heart of the Px4 Storm is Beretta’s exclusive locked-breech rotating barrel system, designed to reduce felt recoil and muzzle rise compared to conventional tilting-barrel designs. Beretta+3Beretta Defense+3WBTGuns+3
Barrel length: 4.10" black steel barrel (often listed as 4"), chrome-lined for corrosion resistance and easy cleaning. Hinterland Outfitters+2Palmetto State Armory+2
Rotating barrel locking system spreads recoil forces more evenly, helping you stay on target for faster follow-up shots. Beretta Defense+2WBTGuns+2
Deeply recessed combat crown (on Px4 series) protects the rifling at the muzzle from nicks and damage. WBTGuns+1
For defensive use, training, and high-volume practice, the rotating barrel and chrome-lined bore give the Px4 Storm a reputation for durability and soft shooting characteristics.
Black Bruniton Serrated Steel Slide – Built to Last
The JXF9F20 variant features a black Bruniton-finished steel slide with front and rear serrations for confident manipulation in all conditions. Buds Gun Shop+2Range USA+2
The snag-resistant slide profile and rounded edges also make reholstering smoother and reduce the chance of catching on clothing or gear. RK Guns+2Gunbuyer+2
Lightweight Black Polymer Frame with Integral Picatinny Rail
The Px4 Storm full size uses a modern black polymer frame reinforced with advanced thermoplastics for strength without unnecessary weight. Beretta+3Beretta Defense+3WBTGuns+3
The modular frame, adjustable grip, and accessory rail make this Px4 Storm a highly customizable platform for home defense or duty carry.
Ambidextrous & Modular Controls
The JXF9F20 configuration is a Type F Px4 Storm, featuring ambidextrous safety/decocker levers and a reversible magazine release, making it an excellent choice for both right- and left-handed shooters. Sportsman's Warehouse+3Buds Gun Shop+3KYGUNCO+3
Ambidextrous manual safety/decocker mounted on the slide – decock safely, then carry in DA mode with the safety engaged or disengaged based on your training. Buds Gun Shop+2WBTGuns+2
Reversible magazine release allows left-handed shooters to switch the button to the opposite side. KYGUNCO+2Sportsman's Warehouse+2
Generous, easy-to-reach controls make reloads, decocking, and slide manipulation efficient under stress.
These ambidextrous and modular features help departments, instructors, and individual shooters configure the Px4 Storm exactly to their preferred manual of arms.
Ultra-Durable, Duty-Ready Design
Beretta’s Px4 Storm platform was engineered to meet stringent military and law-enforcement standards. Reports from endurance testing show Px4 pistols running well over 150,000 rounds without parts breakage when properly maintained. Beretta+2Beretta+2
Additional durability highlights include:
Proprietary Beretta steel in critical components for long service life. Beretta+1
Tool-free disassembly for quick cleaning and maintenance, encouraging consistent care of the firearm. Beretta+1
In-line feeding design and robust extractor/ejector geometry for reliable operation across a wide ammo spectrum. Beretta+1
Whether you’re building a home-defense setup or equipping a duty belt, the Px4 Storm’s durability track record is a major selling point.
Ideal Uses: Home Defense, Duty, Range, and Training
Thanks to its full-size frame and soft-shooting rotating barrel, the Beretta Px4 Storm Full Size JXF9F20 fits a wide range of roles:
Home defense pistol – accessory rail supports weapon lights; 10+1 capacity and 9mm chambering offer controllable, proven performance. KYGUNCO+2RK Guns+2
Duty or off-duty sidearm – DA/SA action, ambidextrous safety/decocker, and robust construction suit professional use. Beretta+2WBTGuns+2
Range and training gun – comfortable recoil characteristics and full-size grip make high round counts more enjoyable and productive. Sportsman's Warehouse+1
For shooters who want something beyond a typical striker-fired pistol, the Px4 Storm offers traditional DA/SA controls in a modern, modular package.
Key Specifications – Beretta Px4 Storm Full Size 9mm JXF9F20
From Beretta and major US retailers: Hinterland Outfitters+4Gunprime+4Palmetto State Armory+4
Manufacturer: Beretta USA
Model: Px4 Storm Full Size, Type F
SKU / MPN: JXF9F20
UPC: 082442817286
Caliber: 9mm Luger
Action: Double/Single-Action (DA/SA)
Capacity: 10+1 rounds
Barrel Length: 4.10" black steel, chrome-lined (commonly listed as 4")
Barrel Type: Rotating, locked-breech system
Slide Material: Steel
Slide Finish: Black Bruniton, serrated
Frame Material: Polymer, reinforced
Frame Color: Black
Grip: Black polymer with interchangeable backstraps (S/M/L)
Sights: Fixed 3-dot sights
Safety: Ambidextrous manual safety/decocker
Magazine Release: Reversible
Accessory Rail: Integral Picatinny MIL-STD rail on dust cover
Overall Length: ~7.5–7.7" (varies slightly by source) Sportsman's Warehouse+3Gunprime+3Omaha Outdoors+3
Height: Approx. 5.5" Omaha Outdoors+1
Width: Approx. 1.42" Omaha Outdoors+1
Weight (unloaded): ~27.7 oz Sportsman's Warehouse+3Gunprime+3Omaha Outdoors+3
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