Origin-12 Full Shotgun Features: - Quick Change Barrel - Forward Charging Handle - Ambidextrous Safety & Mag Release - In-Line Detachable Magazine 8 Round Mag w/Gun - Last Round Bolt Hold Open - 3-Point Operational Trigger Finger Position (Includes: Trigger Operation, Mag Drop & Bolt Release) - Nickel Teflon Coated - Infinitie Gas Block Adjustment - Multi-Caliber Receiver