G&P Stealth GP Taper Metal Body Receiver for Tokyo Marui M4/ M16 Series & G&P FRS Series

G&P Stealth GP Taper Metal Body Receiver for Tokyo Marui M4/ M16 Series & G&P FRS Series Aluminum Construction Only Can Fit with G&P Taper Outer Barrel For Marui M4 / M16 Series & G&P F.R.S. Series