The cobra iii pump action shotgun that allows you to shoot light target loads to heavy waterfowl loads.It utilizes a beretta/benelli mobil threads removable choke system and includes choke box and wrench.The cobra iii also features a highly durable stock with rubber recoil pad and swivel studs.The marine model features a return spring in the forearm.Simply pull back on the forearm and release the spring will return the forearm forward thus closing the chamber.This makes for rapid firing in a pump shotgun.The spring can be removed and the gun will work like a traditional pump.The cobra iii marine is also fitted with a picatinny rail located under the forearm.Action: PumpGauge: 12 GaugeBarrel Length: 18.50"Capacity: 5+1Chamber: 3"Weight: 6.20 lbsChoke Configuration: MobilChokeChokes Included: CBarrel Description: Chrome LinedSights: Blade FrontSafety: Manual ThumbBarrel Length Range: 18" to 18.99"Weight Range: 6 lbs to 6.99 lbsHand: RightStock Finish Group: Black