The ultimate convergence of Form Function & Fortitude the Beretta APX A1 takes the proven ergonomics reliability and accuracy of the APX family and delivers a superior firing solution from the casual shooter to the most demanding professionals in the world. - Action: Striker-fired - Barrel length (in): 4.25 - Caliber: 9mm - Firing Mechanism: Semi automatic - GripWidth: 1.06 - Magazine: 17 - Overall height (in): 5.6 - Overall length (in): 7.5 - Overall width (in): 1.3 - Rail: Yes - Sight Radius IN: 6.1 - Weight unloaded (OZ): 29