The Mossberg Tactical Kit Mossberg 590 Shotgun & .45 Pistol Airsoft Guns are both constructed from plastic that keeps the weight down but is not as durable as their high end metal counter parts. The Mossberg Tactical Kit Mossberg 590 Shotgun & .45 Pistol are operated by racking the pump or slide which cocks the spring for a single shot. The spring system used in these guns allows them to be very affordable, however they are not skirmishable or realistic. The Mossberg Tactical Kit Mossberg 590 Shotgun & .45 Pistol have realistic features such as realistic sights, pistol grip, and magazine release.