BENELLI M4 SUPER90 SHOTGUN 12GA 3″ 18.5″ $2,799.99 Benelli M4 Super 90 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. It delivers: Battle-proven reliability Picatinny rail for mounting scopes, sights, and optics Ghost-ring sights for quick target acquisition Add to cart