EXTERNAL UPGRADE
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JP Rifles CTR-02 Lower Receiver
Model#: JP-LR -
Gemtech Outback Toy Silencer and Aluminum Tube - Black
Model#: GT-BE-OUTBACK -
PS90 P90 extension external barrel 14mm CCW
Model#: MB-BE-PS90 -
Gemtech Trinity 9MM Silencer (US ver. is non-functional)
Model#: GT-BE-TRINITY9
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Noveske N4 metal body
Model#: M4 Receiver Noveske N4 -
Stag Arms Stag-6.8 metal body
Model#: M4 Receiver Stag 6.8 -
Barrett Rifles REC7 6.8 metal body
Model#: M4 Receiver Barrett REC7 -
Daniel Defense DDM4 metal body
Model#: M4 Receiver DDM4
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JP Rifles M4 metal body
Model#: M4 Receiver JP Rifles -
PWS M4 metal body
Model#: M4 Receiver PWS M4 -
Gemtech M4 metal body
Model#: M4 Receiver Gemtech M4 -
Double Star M4 metal body
Model#: M4 Receiver Double Star
