Caliber : 22 LR – 8 Caliber Adapters Included (380-9mm-357mag/38sp-40S&W-44mag-45acp-410/45colt-20ga) – Type: Over & Under – Action : Folding Break Open – Feeding : Manual – Barrel Length: 18.5 – Trigger system : Double – Front Sight : Red Fiber Optic – Rear Sight: Adjustable Military Style – Material: Steel – Finish : Matte – The Chiappa M6 folding survival gun is perfect for outdoorsman ranchers pilots or anyone who needs a portable rugged and reliable rifle/shotgun combination. Based on the original M6 Chiappa’s improved version has updated features to meet the needs of today’s shooters and is available in 12ga/.22lr 12ga/.22WMR 20ga/.22lr or 20ga/.22WMR combinations. All new models have interchangeable choke tubes for maximum versatility. Barrels can be fired quickly and selectively each having its own trigger. The M1 carbine style rear sight and fiber optic front sight make aiming either barrel quick and accurate even in low light. Receiver mounted Picatinny rails on the top and sides allow for mounting optics lights lasers or other accessories. The durable yet lightweight skeletonized metal buttstock surrounds a polypropylene closed cell foam insert specifically molded for the Chiappa M6. This foam insert is designed to hold three 12 gauge shells and five .22 rimfire cartridges so ammo is always available and ready. A cleaning kit that stores neatly in the stock is included. The M6 easily breaks open and folds in half by pushing down on the trigger guard making transport and storage easy for any situation. Chiappa’s X-Caliber 12ga or 20ga Adapter Sets are perfect for use with the Chiappa M6.