The Beretta M9A4 pistol features the proven design of the M9 series with new modern features that include a red-dot optic ready slide a beveled magazine well and aggressively texturized 92X-style thin grips for instinctive control and a more natural fit for all shooters. – Action: Single/Double – Barrel length (in): 5.1 – Caliber: 9×19 (PARA) – GripWidth: 1.3 – Magazine: 10/15 /18 – Overall height (in): 5.4 – Overall length (in): 8.7 – Overall width (in): 1.5 – Sight Radius IN: 6.3 – Weight unloaded (OZ): 33.4