E&C M4 metal body receiver upgrade kit.Metal Alloy construction.With “COLT” Logo and marking on body.Suitable for Tokyo Marui M4/M16 series airsoft AEG rifle.As always, upgrading AEG require necessary skill & technique, consult expertise if needed. DETAILS: E&C model no. – MP001CColor – DETotal weight – 730g (with all accessories in box)Material – Metal Alloy
