Beretta PX4 Storm pistol

Beretta PX4 pistol

PX4 pistol partially disassembled

The grip of PX4 pistol features removable backstraps of various sizes and shapes

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Type: Double Action 
Calibers: 9x19 mm Luger/Para and .40S&W 
Weight unloaded: 780-800 g 
Length: 193 mm 
Barrel length: 102 mm 
Capacity: 17 (9mm) or 14 (.40) rounds

The PX4 Storm pistol is the latest addition to Beretta's line of semiautomatic pistols. The PX4 is designed using most modern concepts in combat handguns, such as maximum flexibility, most modern polymer materials, and most popular calibers. Available in the USA since late 2004, this pistol is an obvious attempt of the famous Italian company to regain its position on the US market. We yet shall see, if this attempt will succeed.

Technically, the PX4 pistol is a further development of the Beretta 8000 Cougar series pistols. PX4 pistol uses same recoil operated, locked breech system with rotating barrel. Much like the Cougar, the PX4 has a special frame insert with top- projecting stud, which causes the barrel to rotate on recoil to unlock from the slide. This insert is mounted on the recoil spring guide rod, and is spring-buffered to reduce peak recoil, which is transferred from barrel to frame. The frame is made from high strength polymer, with dual disassembly buttons, located on both sides of the frame, ahead of the trigger guard. To remove the slide and barrel, one must unload the pistol, then push both buttons inward and then pull the slide forward and off the frame. The slide stop levers are situated on both sides of the frame and are ergonomically shaped. Modular trigger system of PX4 Storm pistol is available in four basic models: Type F - conventional double action with manual safety/decocker; Type D - double action only, less safety or decocker, with spurless hammer; Type G - conventional double action with manual decocker and no safety; and Type C - with so called "constant action" and spurless hammer (sort of DAO system with less trigger pull weight). In the F and D modifications, safety / decocker levers are located on both sides of the slide. The grip of the PX4 has removable backstraps; each gun is supplied with three backstraps of different sizes, so the actual grip can be adapted to most shooters. The frame also features a standard Picatinny-type accessory rail as a standard. Magazine capacity is 17 rounds of 9mm ammo or 14 rounds of .40SW ammo. With optional extended capacity magazine baseplates (also available from Beretta), capacity is increased to impressive 20 rounds of 9mm or 17 rounds of .40SW.