The Echo 1 Stag Arms STAG-15 Commando Carbine is a realistic shortened barrel version of the popular M733 rifle used extensively by U.S. military personnel. This awesome rifle is one of the smaller rifles in the AR-15 rifle family, and offers airgunners unbeatable mobility in the field. The gun features a retractable stock, a high-capacity 300 Rd magazine, and a shot velocity of 350 fps (using .20g BBs). The Echo 1 Stag Arms STAG-15 Commando Carbine comes with Speedloader, 8.4v 1100 mAh battery pack, 300 mAh Charger, Cleaning Rod. Features: Adjustable Hop-Up Full Metal Gearbox & Metal Outer Barrel Retractable Stock Removable Carry Handle Battery Pack Size: Small Battery