Benelli M4 12ga 18.5" Pistol Grip 5+1 Rounds Auto Regulating Gas Operated (A.R.G.O.) System, Ghost Ring Sights, Picatinny Rail

The Benelli M4 Tactical shotgun is a unique, Auto-Regulating Gas-Operated (A.R.G.O.) semi-auto. The M4 Tactical is the combat service shotgun of the U.S. Joint Services today. Battle-proven reliability Picatinny rail for mounting scopes, sights, and optics Ghost-ring sights for quick target acquisition Originally designed in 1998 for the U.S. Marine Corps, the M4 (M1014) was extensively tested at the Aberdeen Proving Ground in Maryland. It proved totally reliable for safety, function, and performance.