Note: The airsoft gun will ship with the handguard and receiver removed. A 4mm Allen screwdriver is required to reassemble the airsoft gun. Airsoft gun is in good working order. Package includes 5 Magazines and an NcStar 1.5-6 Scope. Features: Injection molded polymer chassis system with metal out barrel assembly and receiver Adjustable AR style stock allows for user customizable length of pull Nylon fiber A2 style pistol grip provides a familiar and more comfortable grip over a standard rifle stock Integrated alloy 20mm top accessory rail is ideal for mounting a wide variety of optics Knurled bolt grip gives the shooter a sure grip ensuring quicker reloads and follow up shots Installed Upgrade Kit Features: High quality CNC machined aluminum piston and spring guide High quality O-ring for improved pressure seal Ball bearing spring guide prevents binding Length: 38.5" - 43" (Adjustable) Weight: 4.4lbs Magazine Capacity: 27 Rounds Fire Modes: Bolt Action System: High Power Spring Hopup: Yes, Adjustable Manufacturer: Echo1