I'm selling my ICS-21 M4A1 full metal Olympic Arms replica electric airsoft rifle with an upgraded 6.06mm tight bore barrel and m120 spring. It disassembles just like the real thing! The original barrel is also included in case you like lower fps, range, and accuracy. I'm including 5 metal magazines. Two 450rd hi-caps, two 130rd mid-caps, and one 190rd VN style hi-cap. I'm also throwing in a mid-cap speedloader, around 2000rds of .23 ammo, a NiMh large style battery, charger, and an airsoft/paintball mask. A complete starter kit! The original box is included.