A maintenance demonstration of the Beretta PX4 Storm pistol, including cleaning and lubrication. The PX4 shown is the full-size model.
Beretta PX4 Storm Specs:
| Full Size | Compact | Sub-Compact | Full Size | Special Duty | |
| Caliber | 9mm / .40 S&W | 9mm / .40 S&W | 9mm / .40 S&W | .45 Auto | .45 Auto |
| Overall Length |
7.6″ | 6.8″ | 6.2″ | 7.6″ | 8.2″ |
| Overall Height |
5.5″ | 5.0″ | 4.8″ | 5.5″ | 5.7″ |
| Barrel Length |
4.0″ | 3.2″ | 3.0″ | 4.0″ | 4.6″ |
| Rifling | Right hand, 6 grooves | ||||
| Rifling Pitch |
9.8″ / 15.7″ | 9.8″ / 15.7″ | 9.8″ / 15.7″ | 15.9″ | 15.9″ |
| Sight Radius |
5.8″ | 5.2″ | 4.5″ | 5.9″ | 5.9″ |
| Overall Width |
1.4″ | ||||
| Grip Width |
1.2″ | ||||
| Weight Unloaded |
27.7 oz | 27.3 oz | 26.1 oz | 28.2 oz | 28.6 oz |
| Magazine Capacity |
17 / 14 | 15 / 12 | 13 / 10 | 9 &10 | 9 & 10 |