The ICS made M4 RIS with retractable stock is one the most desired guns on the airsoft field. This amazingly durable airsoft rifle is a fully licensed replica of the Olympic Arms M4 RIS and comes detailed with its own serial number and Olympic Arms markings. The ICS M4 doesn't just look good. This airsoft rifle is built to last with an all metal receiver, outer barrel, and RIS system for adding grips, optics, and an array of other accessories. The ICS M4 RIS is just as well built on the inside. The all metal gearbox with steel gears and silicon steel bushings combined with a Turbo 3000 electric motor mean this airsoft rifle will be firing strong far into the future. The adjustable HOP UP accuracy system and 300-330 FPS muzzle velocity with .20g BBs give the M4 RIS outstanding range and precision accuracy right out of the box. ICS is one of the most respected brands in airsoft guns for a good reason, and the M4 RIS is a prime example of their unparalleled craftsmanship. Add this amazing airsoft gun to your arsenal and dominate the airsoft field. * ICS Made M4 RIS Airsoft Rifle with Retractable Stock * Fully Licensed Olympic Arms Replica * All Metal Receiver, Outer Barrel, and R.I.S. with Foregrip * Metal Gearbox with Steel Gears and Silicon Steel Bushings * Adjustable HOP UP Accuracy System * Shoots at 330 Feet Per Second (FPS) Package Also Includes: * Two (2) 450 round high capacity magazines * Vertical Foregrip * 1,000rd bottle of ICS BBs * PEQ2 Battery Box * Does not include battery or charge