Marui M4 System

New Tokyo Marui M4A1 AEG Based on the M4A1, Tokyo Marui's M4 S-system version shows off some new and attractive features for die-hard airsoft fans! Features include: 1. Flip up front sight2. Low profile flip-up rear sight 3. Enhanced butt stock (extend the length of rifle from 768mm to 850mm) 4. Aluminium one-plece barrel5. Metal skeletal frame for added rigidity and weight6. Six position LE tactical extendable stock