Elite Force Airsoft is breaking new ground with the M4 CFR EYETRACE. The M4 CFR EYETRACE has a built in LED tracer unit so you can light up the night with your favorite EF Tracer BBs! With a full length M-LOK hand guard, adjustable stock and ergonomic grip, all finished in Desert Tan, flip up and removable sights, and the ability to accept 9.6-11.1v LiPo batteries, the M4 CFR EYETRACE AEG means business on the airsoft field. Built in LED Tracer Unit Flip-Up Sights M-LOK Hand Guard Adjustable Desert Tan Stock Ergonomic Desert Tan Grip Smart MOSFET Accepts 9;6-11.1v LiPo Batteries Full Length Top Picatinny Rail