SRM Arms M1216 Gen2 Features Ergonomic compact design along with the flexibility of a detachable magazine provides unsurpassed firepower force multiplication and tactical advantages. Rotary Detachable high capacity magazine holding 8 12 or 16 rounds of either 2 3/4 or 3 inch shotshells. Semi-automatic shotgun action that self feeds following the rotation of the quad-tube revolving magazine. Roller delayed action provides fast cycling and reduced felt recoil. Overall length of the SRM Arms 1216 model is only 33.75 inches with a standard 18.5 inch barrel. An integrated picatinny rail combined with a three face handguard rail offers the shooter a broad range of options for mounting optics sights lights and other tactical accessories. Pushpin disassembly and break open design allows for easy field stripping and maintenance. Ambidextrous receiver and controls can be set up for either right or left handed shooters. SRM Arms M1216 Gen2 Specifications Manufacturer: SRM Arms Model: M1216 Action: Semi-automatic Caliber: 12 Gauge 3 Barrel Length: 18.5 Color: Flat Dark Earth Type of Barrel: Threaded Capacity: 16 Rounds Stock: Polymer Semi-Automatic Roller Delayed Action Revolving Magazine Ambidextrous Receiver and Controls