Benelli M4 EXT 12ga 18.5" H2O Finish, 7+1 Rounds, Telescoping Stock, Auto Regulating Gas Operated (A.R.G.O.) System, Pistol Grip, Ghost Ring Sights, Picatinny Rail M4

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.