The beretta m9a4 is built to exceed the standards of most tactical shooters, the m9a4 blends the proven design of the m9.Featuring red-dot optic compatible; slide and dovetailed tritium night sights; beveled magazine well; beretta vertec frame; aggressively textured vertec-style thin grips; 3-slot picatinny rail; oversized mag release button; enhanced short reset trigger and replaceable grip panels.The steiner mps micro pistol sight brings battle-proven durability and mil-spec ruggedness in an all-metal construction.Enhanced sidewalls completely seal in the emitter and a recessed window with a metal hood blocks objects from reaching the front lens.3.3 moa illuminated red dot with 6 day/2 night brightness settings.The m9a4 optics bundle includes steiner mps micro pistol red dot sight, factory installed, three dlc coated magazines, fde ammo case and gun lock.Frame Finish: FDE Anodized w/Black ControlsAction: DA/SACaliber: 9mm LugerBarrel Length: 5.20"Capacity: 15+1Safety: DecockerGrips: FDE Interchangeable BackstrapSight Configuration: Dovetailed TritiumSlide Description: Serrated/Steiner MPS Red Dot