Manufactured in three calibers, the PX4 Storm features a locked-breech with a rotating barrel system, the strongest action to date. The light yet durable frame employs modern thermoplastic technology through the use of polymer reinforced fiberglass. The modular structure, versatility, and ergonomics of the PX4 Full size make it the ideal firearm for the professional user.
Action DA/SA
Caliber .45 AUTO / .40S&W / 9X19
Locking system: Rotating barrel, locked bolt
Magazine capacity: 10 rounds / 14 rounds / 17 rounds
Switch finish: Bruniton
Weight without ammunition: approx. 810 g / 810 g / 785 g
Rifle pitch: 406 mm / 400 mm / 250 mm
Operation principle: With recoil
Threaded barrel: No
Number of grooves RH – 6 grooves
RDO readiness: No
Sighting system: 3-dot system, rear and front sight: adjustable windage
Frame material: Fiberglass reinforced polymer
Additional rail: MIL-STD-1913
Fuses: External on the bolt, outside battery, killer block
Height: approx. 145 mm / 5.70 inches
Width: approx. 38 mm / 1.49 inches
Length: approx. 198 mm / 7.80 inches
Barrel length: approx. 105 mm / 4.13 inches
Sight radius 150 mm / 5.91 inches

















