Gas Operated Semi Automatic - Chamber: 3 - Ammunition: 2 3/4 and 3 - Receiver Material: T6 7075 Hardened Aluminum (Upper & Lower) - Forend Material: T7 Series Aluminium - Color: Black/Red Cerakote - Barrel: 4140 Full Steel Smooth Chrome Lined 18.5" - Magazines: Comes With Three 5 Round Steel Magazines (Other Magazines Sold Separately) - Choke: Benelli Mobile Choke Threads (comes with 1 extended #5 skeet choke set of 3 internal chokes #1 full #3 modified #5 skeet and wrench and choke case) - Fixed Stock: (Collapsible Sold Separately) - Ejector: Spring Assist Ejector - Hand Guard: Classic With Picatinny Rail On Top (Side Rails Sold Separately) - MLOK: on Bottom Side of Hand Guard - Charging Handle: Advanced Oversized - Takedown Pins: AR style - Trigger: Advanced Flat Blade Trigger - Pistol Grip: Rubber Over-Molded - Sling Mounts: QD Inserts in Stock Both Left and Right - Latch Plate: Reversible Sling Mount Latch Plate - Cheek Comb: On Collapsible Stock Only Cerakote Color Matched Adjustable Cheek Comb) - Heat Shield: Over Barrel - Sights: Polymer Flip Up Sights - Mag Release: Large Textured Button Ejects Magazine - Safety: Ambidextrous Safety Switch - Bolt Release: Large Enhanced Lever - Gas Block: Adjustable for Heavy and Light Loads