The Benelli M4 Tactical is a reliable shotgun upon which the U. S. Marine Corps depend and trust. The M4 Tactical comes standard with a Picatinny rail and pistol-grip stock. Other features include a windage-adjustable front sight and a fully-adjustable ghost-ring aperture rear sight. What distinguishes Benelli from the competition is the ultra-reliability and quality built into ever gun based on superior performance and craftsmanship. Benelli M4 H20 Tactical 12GA 3" 18.5" Black 5+1 Semi-Auto Shotgun w/ Pistol Grip 11794