Lightweight nylon polymer construction Metal Gearbox with upgraded internals 6-inch drop-in rail system 6.03 mm tightbore inner barrel Adjustable rotary polymer hop-up unit Removable carry handle Retractable crane stock Front and rear sling mounts Sling adapter plate Unique serial numbering Battery, charger, 1000rd bag of 0.20g BBs In the Box Airsoft rifle high capacity magazine 9.6v nunchuck battery standard wall charger 1000rd 0.20g bag of Lancer Tactical BBs cleaning rod instruction manual Specifications: Operation Electric AutomaticBuild Metal Gearbox, Outer Barrel / Nylon Polymer Receiver, Rail System, Stock, Carry Handle, Motor Grip, SightsFiring Modes Semi-automatic, Full-automatic, w/ Functional SafetyMuzzle Velocity 370-395 FPS (w/ 0.20g BBs)Weight 5.25 lbs.Gearbox Full Metal Version 2Magazine 300rd High Capacity (gear wind-up)Battery 9.6v NunchuckInner Barrel Length 363 mmInner Barrel Diameter 6.03 mmHop-Up AdjustableOverall Length 31 in. / 34.5 in. (Retracted / Extended) California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov